Robert Ricklefs

Summary

Affiliation: University of Missouri-St. Louis
Country: USA

Publications

  1. doi request reprint Naturalists, natural history, and the nature of biological diversity
    Robert E Ricklefs
    Department of Biology, University of Missouri, St Louis, Missouri 63121, USA
    Am Nat 179:423-35. 2012
  2. ncbi request reprint Clade extinction appears to balance species diversification in sister lineages of Afro-Oriental passerine birds
    Robert E Ricklefs
    Department of Biology, University of Missouri, St Louis, MO 63121 4499
    Proc Natl Acad Sci U S A 111:11756-61. 2014
  3. doi request reprint The causes of evolutionary radiations in archipelagoes: passerine birds in the Lesser Antilles
    Robert E Ricklefs
    Department of Biology, University of Missouri, St Louis, Missouri 63121 4499, USA
    Am Nat 169:285-97. 2007
  4. doi request reprint Habitat-independent spatial structure in populations of some forest birds in eastern North America
    Robert E Ricklefs
    Department of Biology, University of Missouri St Louis, One University Boulevard, St Louis, MO 63121 4499, USA
    J Anim Ecol 82:145-54. 2013
  5. pmc The dynamic evolutionary history of the bananaquit (Coereba flaveola) in the Caribbean revealed by a multigene analysis
    Eva Bellemain
    Smithsonian Tropical Research Institute, Apdo 2072, Balboa, Panama
    BMC Evol Biol 8:240. 2008
  6. pmc Insights from comparative analyses of aging in birds and mammals
    Robert E Ricklefs
    Department of Biology, University of Missouri St Louis, MO 63121 4499, USA
    Aging Cell 9:273-84. 2010
  7. pmc Embryo development and ageing in birds and mammals
    Robert E Ricklefs
    Department of Biology, University of Missouri, St Louis, 8001 Natural Bridge Road, St Louis, MO 63121 4499, USA
    Proc Biol Sci 273:2077-82. 2006
  8. ncbi request reprint Time, species, and the generation of trait variance in clades
    Robert E Ricklefs
    Department of Biology, University of Missouri St Louis 8001 Natural Bridge Road, St Louis, Missouri 63121 4499, USA
    Syst Biol 55:151-9. 2006
  9. ncbi request reprint Evolutionary diversification and the origin of the diversity-environment relationship
    Robert E Ricklefs
    Department of Biology, University of Missouri St Louis, 8001 Natural Bridge Road, St Louis, Missouri 63121 4499, USA
    Ecology 87:S3-13. 2006
  10. ncbi request reprint Global variation in the diversification rate of passerine birds
    Robert E Ricklefs
    Department of Biology, University of Missouri St Louis, 8001 Natural Bridge Road, St Louis, Missouri 63121 4499, USA
    Ecology 87:2468-78. 2006

Detail Information

Publications82

  1. doi request reprint Naturalists, natural history, and the nature of biological diversity
    Robert E Ricklefs
    Department of Biology, University of Missouri, St Louis, Missouri 63121, USA
    Am Nat 179:423-35. 2012
    ..To interpret patterns of diversity, we must continue to depend on inductive reasoning inspired by the data of natural history...
  2. ncbi request reprint Clade extinction appears to balance species diversification in sister lineages of Afro-Oriental passerine birds
    Robert E Ricklefs
    Department of Biology, University of Missouri, St Louis, MO 63121 4499
    Proc Natl Acad Sci U S A 111:11756-61. 2014
    ..This "pulse" model of diversification is consistent with the fossil record of most groups and reconciles conflicting evidence concerning diversity dependence of clade growth. ..
  3. doi request reprint The causes of evolutionary radiations in archipelagoes: passerine birds in the Lesser Antilles
    Robert E Ricklefs
    Department of Biology, University of Missouri, St Louis, Missouri 63121 4499, USA
    Am Nat 169:285-97. 2007
    ..Alternatively, endemic buildup of diversity might be facilitated by the relative absence of pathogens in Hawaii and Galapagos that otherwise could prevent the secondary sympatry of populations owing to disease-mediated competition. ..
  4. doi request reprint Habitat-independent spatial structure in populations of some forest birds in eastern North America
    Robert E Ricklefs
    Department of Biology, University of Missouri St Louis, One University Boulevard, St Louis, MO 63121 4499, USA
    J Anim Ecol 82:145-54. 2013
    ..Because of the species-specific nature of these clustered residuals, specialized pathogens are potential candidates to drive spatial anomalies in host abundance...
  5. pmc The dynamic evolutionary history of the bananaquit (Coereba flaveola) in the Caribbean revealed by a multigene analysis
    Eva Bellemain
    Smithsonian Tropical Research Institute, Apdo 2072, Balboa, Panama
    BMC Evol Biol 8:240. 2008
    ..We infer the ancestral area of the present-day bananaquit populations, report on the species' phylogenetic, biogeographic and evolutionary history, and propose scenarios for its diversification and range expansion...
  6. pmc Insights from comparative analyses of aging in birds and mammals
    Robert E Ricklefs
    Department of Biology, University of Missouri St Louis, MO 63121 4499, USA
    Aging Cell 9:273-84. 2010
    ..Understanding these evolved differences between long-lived and short-lived organisms would seem to be an essential foundation for designing therapeutic interventions with respect to human aging and longevity...
  7. pmc Embryo development and ageing in birds and mammals
    Robert E Ricklefs
    Department of Biology, University of Missouri, St Louis, 8001 Natural Bridge Road, St Louis, MO 63121 4499, USA
    Proc Biol Sci 273:2077-82. 2006
    ..Although the mechanisms linking embryo growth rate and ageing are not known, a simple model of life-history optimization shows that the benefits of longer life can be balanced by connected costs of extended development...
  8. ncbi request reprint Time, species, and the generation of trait variance in clades
    Robert E Ricklefs
    Department of Biology, University of Missouri St Louis 8001 Natural Bridge Road, St Louis, Missouri 63121 4499, USA
    Syst Biol 55:151-9. 2006
  9. ncbi request reprint Evolutionary diversification and the origin of the diversity-environment relationship
    Robert E Ricklefs
    Department of Biology, University of Missouri St Louis, 8001 Natural Bridge Road, St Louis, Missouri 63121 4499, USA
    Ecology 87:S3-13. 2006
    ..This integrated perspective opens new research directions for ecologists to explore the formation of species, adaptive diversification, and the adjustment of ecological distributions of species on regional scales...
  10. ncbi request reprint Global variation in the diversification rate of passerine birds
    Robert E Ricklefs
    Department of Biology, University of Missouri St Louis, 8001 Natural Bridge Road, St Louis, Missouri 63121 4499, USA
    Ecology 87:2468-78. 2006
    ..Nonetheless, the results of this analysis clearly indicate that a higher rate of diversification in the tropics contributes to the pervasive latitudinal gradient in diversity observed in passerine birds...
  11. ncbi request reprint Rate of lineage origin explains the diversity anomaly in the world's mangrove vegetation
    Robert E Ricklefs
    Department of Biology, University of Missouri St Louis, St Louis, Missouri 63121, USA
    Am Nat 168:805-10. 2006
    ....
  12. pmc Evolutionary diversification, coevolution between populations and their antagonists, and the filling of niche space
    Robert E Ricklefs
    Department of Biology, University of Missouri, St Louis, MO 63121, USA
    Proc Natl Acad Sci U S A 107:1265-72. 2010
    ....
  13. ncbi request reprint The unified neutral theory of biodiversity: do the numbers add up?
    Robert E Ricklefs
    Department of Biology, University of Missouri St Louis, 63121 4499, USA
    Ecology 87:1424-31. 2006
    ..Ecological reality can be added to the mix while retaining Hubbell's concept of continuity of communities in space and time...
  14. pmc Tyrannosaur ageing
    Robert E Ricklefs
    Department of Biology, University of Missouri St Louis, St Louis, MO 63121 4499, USA
    Biol Lett 3:214-7. 2007
    ..Thus, the longest observed lifespans in birds, tyrannosaurs and mammals might be close to the maximum possible...
  15. ncbi request reprint Aspect diversity in moths revisited
    Robert E Ricklefs
    Department of Biology, University of Missouri, St Louis, MO 63121, USA
    Am Nat 173:411-6. 2009
    ....
  16. doi request reprint Foliage chemistry and the distribution of Lepidoptera larvae on broad-leaved trees in southern Ontario
    Robert E Ricklefs
    Department of Biology, University of Missouri St Louis, St Louis, MO 63121 4499, USA
    Oecologia 157:53-67. 2008
    ..These analyses show that patterns of distribution across host tree species within an assemblage of Lepidoptera species can be understood, at least in part, in terms of the qualities of the resources upon which they feed...
  17. ncbi request reprint Heritability of longevity in captive populations of nondomesticated mammals and birds
    Robert E Ricklefs
    Department of Biology, University of Missouri St Louis, St Louis, MO 63121 4499, USA
    J Gerontol A Biol Sci Med Sci 63:435-46. 2008
    ..20 to 0.54. The absence of substantial genetic variation for age at death in birds might be related to the stringency of flight, allowing for little variation in the optimization of life-history trade-offs...
  18. ncbi request reprint Estimating diversification rates from phylogenetic information
    Robert E Ricklefs
    Department of Biology, University of Missouri St Louis, MO 63121 4499, USA
    Trends Ecol Evol 22:601-10. 2007
    ..Recognizing these biases will encourage the development of more realistic models of diversification and the regulation of species richness...
  19. ncbi request reprint History and diversity: explorations at the intersection of ecology and evolution
    Robert E Ricklefs
    Department of Biology, University of Missouri, St Louis, Missouri 63121, USA
    Am Nat 170:S56-70. 2007
    ....
  20. ncbi request reprint Lifespan is unrelated to investment in reproduction in populations of mammals and birds in captivity
    Robert E Ricklefs
    Department of Biology, University of Missouri St Louis, 8001 Natural Bridge Road, St Louis, MO 63121 4499, USA
    Ecol Lett 10:867-72. 2007
    ..If genetically based or other intrinsic antagonistic pleiotropy underlies the evolution of senescence, it was not evident in our analyses...
  21. ncbi request reprint Evolutionary diversification of clades of squamate reptiles
    R E Ricklefs
    Department of Biology, University of Missouri St Louis, St Louis, MO 63121 4499, USA
    J Evol Biol 20:1751-62. 2007
    ..The evidence for both groups suggests that clade size has achieved long-term equilibrium, suggesting negative feedback of species richness on the rate of diversification...
  22. ncbi request reprint Estimating annual survival in sexually dimorphic species from proportions of first-year birds
    Robert E Ricklefs
    Department of Biology, University of Missouri, 8001 Natural Bridge Road, St Louis, Missouri 63121 4499, USA
    Ecology 88:1408-19. 2007
    ..tropical species cannot be explained completely by the adjustment of reproductive investment in relation to adult survival and the expectation of future life...
  23. pmc The West Indies as a laboratory of biogeography and evolution
    Robert Ricklefs
    Department of Biology, University of Missouri St Louis, 8001 Natural Bridge Road, St Louis, MO 63121 4499, USA
    Philos Trans R Soc Lond B Biol Sci 363:2393-413. 2008
    ..Conservation efforts are strengthened by recognition of aesthetic, cultural and scientific values of the unique flora and fauna of the West Indies...
  24. doi request reprint Disintegration of the ecological community
    Robert E Ricklefs
    Department of Biology, University of Missouri, St Louis, Missouri 63121, USA
    Am Nat 172:741-50. 2008
    ....
  25. ncbi request reprint Parental investment and avian reproductive rate: Williams's principle reconsidered
    Robert E Ricklefs
    Department of Biology, University of Missouri, St Louis, Missouri 63121, USA
    Am Nat 175:350-61. 2010
    ..Accordingly, the pervasive increase in clutch size with latitude would appear to reflect increasing availability of food resources to provision offspring...
  26. pmc Host-pathogen coevolution, secondary sympatry and species diversification
    Robert E Ricklefs
    Department of Biology, University of Missouri St Louis, One University Boulevard, St Louis, MO 63121 4499, USA
    Philos Trans R Soc Lond B Biol Sci 365:1139-47. 2010
    ..By similar reasoning, species should accumulate relatively slowly within continental regions. In this essay, I explore the assumptions and some implications of this model for species diversification...
  27. ncbi request reprint History and the species-area relationship in Lesser Antillean birds
    Robert E Ricklefs
    Department of Biology, University of Missouri, St Louis, Missouri 63121, USA
    Am Nat 163:227-39. 2004
    ..However, the avifauna of the Lesser Antilles is probably not in equilibrium at present, and the overall species-area relationship might reflect changing proportions of historically distinguishable subsets of species...
  28. ncbi request reprint Evolutionary relationships, cospeciation, and host switching in avian malaria parasites
    Robert E Ricklefs
    Department of Biology, University of Missouri, 8001 Natural Bridge Road, St Louis, Missouri 63121 4499, USA
    Syst Biol 53:111-9. 2004
    ..Detailed studies of the phylogeographic distributions of hosts and parasites are needed to characterize these events...
  29. pmc Global diversification rates of passerine birds
    Robert E Ricklefs
    Department of Biology, University of Missouri St Louis, 8001 Natural Bridge Road, St Louis, MO 63121 4499, USA
    Proc Biol Sci 270:2285-91. 2003
    ..93 Myr) and that the 47 modern families comprising 5712 species descended from approximately 430 passerine lineages extant 24 Myr ago. Speciation and extinction rates among small, marginal families might be 1-2 orders of magnitude lower...
  30. ncbi request reprint Age-related patterns of fertility in captive populations of birds and mammals
    R E Ricklefs
    Department of Biology, University of Missouri St Louis, 8001 Natural Bridge Road, St Louis, MO 63121 4499, USA
    Exp Gerontol 38:741-5. 2003
    ....
  31. ncbi request reprint Metabolic responses of shorebird chicks to cold stress: hysteresis of cooling and warming phases
    Robert E Ricklefs
    Department of Biology, University of Missouri St Louis, 8001 Natural Bridge Road, St Louis, MO 63121 4499, USA
    J Exp Biol 206:2883-93. 2003
    ..The results of the DU protocol suggest that T(b) should be measured continuously during measurements of maximum oxygen consumption, and that peak values should be adjusted by T(b) to make them comparable with other studies...
  32. ncbi request reprint Global correlations in tropical tree species richness and abundance reject neutrality
    Robert E Ricklefs
    Department of Biology, University of Missouri St Louis, MO 63121 4499, USA
    Science 335:464-7. 2012
    ....
  33. ncbi request reprint Comparison of aging-related mortality among birds and mammals
    R E Ricklefs
    Department of Biology, University of Missouri St Louis, 8001 Natural Bridge Road, St Louis, MO 63121 4499, USA
    Exp Gerontol 36:845-57. 2001
    ..We suggest that causes of extrinsic mortality in nature may be replaced in captivity by intrinsically controlled causes of mortality related to processes that regulate the rate of aging...
  34. pmc Diversification and host switching in avian malaria parasites
    Robert E Ricklefs
    Department of Biology, University of Missouri St Louis, St Louis, MO 63121 4499, USA
    Proc Biol Sci 269:885-92. 2002
    ..Although host switching has been a prominent feature over the evolutionary history of avian malaria parasites, it is infrequent and unpredictable on time scales germane to public health and wildlife management...
  35. ncbi request reprint Biological implications of the Weibull and Gompertz models of aging
    Robert E Ricklefs
    Department of Biology, University of Missouri, St Louis 63121 4499, USA
    J Gerontol A Biol Sci Med Sci 57:B69-76. 2002
    ..Comparisons between wild and captive populations appear to support the intrinsic-causes model for birds, but give mixed support for both models in mammals...
  36. doi request reprint Species richness and niche space for temperate and tropical folivores
    Robert E Ricklefs
    Department of Biology, University of Missouri St Louis, St Louis, MO 63121 4499, USA
    Oecologia 168:213-20. 2012
    ..Accordingly, tropical folivore diversity is associated with greater resource niche overlap, greater niche specialization, and/or more completely filled niches, or with variation in niche dimensions not measured in this study...
  37. pmc Biogeography and ecology: towards the integration of two disciplines
    Robert E Ricklefs
    Department of Biology, University of Missouri Saint Louis, One University Boulevard, Saint Louis, MO 63121 4499, USA
    Philos Trans R Soc Lond B Biol Sci 366:2438-48. 2011
    ..We offer suggestions on future research directions at the intersection of biogeography and ecology...
  38. ncbi request reprint Cladogenesis and morphological diversification in passerine birds
    Robert E Ricklefs
    Department of Biology, University of Missouri St Louis, 8001 Natural Bridge Road, St Louis, Missouri 63121 4499, USA
    Nature 430:338-41. 2004
    ..Thus, morphological evolution in birds seems to be associated with cladogenesis. How lineage splitting promotes morphological diversification poses an important challenge to ecologists and evolutionary biologists...
  39. ncbi request reprint Small clades at the periphery of passerine morphological space
    Robert E Ricklefs
    Department of Biology, University of Missouri, St Louis, Missouri 63121 4499, USA
    Am Nat 165:651-9. 2005
    ....
  40. pmc Life-history connections to rates of aging in terrestrial vertebrates
    Robert E Ricklefs
    Department of Biology, University of Missouri, St Louis, MO 63121, USA
    Proc Natl Acad Sci U S A 107:10314-9. 2010
    ....
  41. ncbi request reprint Colonization of the Lesser Antilles by land birds
    Robert E Ricklefs
    Department of Biology, University of Missouri St Louis, 8001 Natural Bridge Road, St Louis, Missouri 63121 4499, USA
    Ecology 91:1811-21. 2010
    ..The existence of such phases can be inferred from correlations, albeit weak, between the status of populations in the Lesser Antilles and the ecological and geographic distribution of their putative source populations in the mainland...
  42. doi request reprint A molecular clock for malaria parasites
    Robert E Ricklefs
    Department of Biology, University of Missouri St Louis, One University Boulevard, St Louis, MO 63121 4499, USA
    Science 329:226-9. 2010
    ..falciparum at 2.5 million years ago (Ma), the initial radiation of mammalian Plasmodium at 12.8 Ma, and the contemporary global diversity of the Haemosporida across terrestrial vertebrates at 16.2 Ma...
  43. ncbi request reprint Nonequilibrium diversity dynamics of the Lesser Antillean avifauna
    R E Ricklefs
    Department of Biology, University of Missouri St Louis, St Louis, MO 63121, USA
    Science 294:1522-4. 2001
    ..Rather, our results suggest an abrupt, roughly 10-fold increase in colonization rate or a 90% mass extinction event 0.55 to 0.75 million years ago...
  44. pmc Applying a regional community concept to forest birds of eastern North America
    Robert E Ricklefs
    Department of Biology, University of Missouri, St Louis, MO 63121, USA
    Proc Natl Acad Sci U S A 108:2300-5. 2011
    ..Although competition is a dominant force in ecological communities, variation in the distribution and abundance of individual species might instead reflect the outcome of interactions with specialized antagonists, including pathogens...
  45. ncbi request reprint Host specialization and geographic localization of avian malaria parasites: a regional analysis in the Lesser Antilles
    Sylvia M Fallon
    Department of Biology, University of Missouri, St Louis, Missouri 63121 4499, USA
    Am Nat 165:466-80. 2005
    ....
  46. doi request reprint Low diversity and high intra-island variation in prevalence of avian Haemoproteus parasites on Barbados, Lesser Antilles
    L Maria
    University of Missouri St Louis, Research Building R223, St Louis, MO 63121, USA
    Parasitology 136:1121-31. 2009
    ..However, the parasite-free region is slightly warmer and drier, and it supports less vegetation than the parasite-afflicted region. The influence that this harsher environment may have on vector survival is discussed...
  47. ncbi request reprint Interspecific associations between circulating antioxidant levels and life-history variation in birds
    Alan A Cohen
    Department of Biology, University of Missouri, St Louis, Missouri 63121, USA
    Am Nat 172:178-93. 2008
    ....
  48. doi request reprint Phylogenetic relationships of haemosporidian parasites in New World Columbiformes, with emphasis on the endemic Galapagos dove
    Diego Santiago-Alarcon
    University of Missouri St Louis, Department of Biology, One University Boulevard, Saint Louis, MO 63121, USA
    Int J Parasitol 40:463-70. 2010
    ..Our data suggest that the diverse Haemoproteus parasites observed in Galapagos doves are not endemic to the archipelago and likely represent multiple recent introductions...
  49. ncbi request reprint Evolutionary differentiation in the Neotropical montane region: molecular phylogenetics and phylogeography of Buarremon brush-finches (Aves, Emberizidae)
    Carlos Daniel Cadena
    Department of Biology and International Center for Tropical Ecology, University of Missouri St Louis, One University Boulevard, St Louis, MO 63121, USA
    Mol Phylogenet Evol 44:993-1016. 2007
    ..Moreover, five divergent lineages of B. torquatus occur within Colombia, highlighting the importance of dense sampling in northwest South America for studies on diversification of widespread Neotropical lineages...
  50. doi request reprint Comparative gene evolution in haemosporidian (apicomplexa) parasites of birds and mammals
    Diana Cumings Outlaw
    Department of Biology, University of Missouri St Louis, USA
    Mol Biol Evol 27:537-42. 2010
    ..The high d(N)/d(S) ratio in the cyt b branch separating avian and mammalian parasites and a mammal-parasite codon bias suggest that adaptive evolution has distinguished mammal and bird parasites...
  51. ncbi request reprint Changes in plasma hormone levels correlate with fledging in nestling Leach's storm-petrels
    Corinne P Kozlowski
    Research Department, Saint Louis Zoo, 1 Government Drive, St Louis, MO 63110, USA
    Gen Comp Endocrinol 169:91-7. 2010
    ..Future experimental work is needed to ascertain whether the described endocrine changes are responsible for, or result from, prefledging changes in petrel feeding behavior...
  52. doi request reprint Egg size and yolk steroids vary across the laying order in cockatiel clutches: a strategy for reinforcing brood hierarchies?
    Corinne P Kozlowski
    Research Department, Saint Louis Zoo, 1 Government Drive, St Louis, MO 63110, USA
    Gen Comp Endocrinol 168:460-5. 2010
    ..Yolk corticosterone concentrations increased linearly with laying order. Together, these patterns might reinforce the brood size hierarchy created by asynchronous hatching...
  53. doi request reprint Patterns of parasite abundance and distribution in island populations of Galápagos endemic birds
    Diego Santiago-Alarcon
    Department of Biology, University of Missouri St Louis and Whitney R Harris World Ecology Center, St Louis, Missouri 63121, USA
    J Parasitol 94:584-90. 2008
    ..Prevalence (up to 100%) and infection intensity (parasitemias up to 12.7%) of Haemoproteus sp. parasites varied little across island populations...
  54. ncbi request reprint Ecology: is speciation driven by species diversity?
    Carlos Daniel Cadena
    Department of Biology, University of Missouri, St Louis, Missouri 63121, USA
    Nature 438:E1-2; discussion E2. 2005
    ..We therefore suggest that species richness and endemism are correlated fortuitously owing to their mutual dependence on the life spans of populations on islands, which is unrelated to speciation itself...
  55. pmc No simple answers for ecological immunology: relationships among immune indices at the individual level break down at the species level in waterfowl
    Kevin D Matson
    Department of Biology, University of Missouri, St Louis, MO 63121 4499, USA
    Proc Biol Sci 273:815-22. 2006
    ..We conclude that one measure of each assay type may be required to maximally characterize immune function in studies of a single species, while the same is not true in studies among species...
  56. ncbi request reprint Application of Johnson et al.'s speciation threshold model to apparent colonization times of island biotas
    Robert E Ricklefs
    Department of Biology, University of Missouri St Louis, St Louis, Missouri 63121 4499, USA
    Evolution 58:1664-73. 2004
    ....
  57. pmc Prevalence of blood parasites in European passeriform birds
    Alex Scheuerlein
    Department of Biology, University of Missouri St Louis, St Louis, MO 6312, USA
    Proc Biol Sci 271:1363-70. 2004
    ..Clearly, ecologists should be cautious in relating patterns of variation in haematozoan prevalence to particular host traits...
  58. ncbi request reprint A hemolysis-hemagglutination assay for characterizing constitutive innate humoral immunity in wild and domestic birds
    Kevin D Matson
    Department of Biology, University of Missouri, 8001 Natural Bridge Road, St Louis, MO 63121 4499, USA
    Dev Comp Immunol 29:275-86. 2005
    ..8-8.0 titers) vary significantly among species. Accordingly, this assay can be used to compare constitutive innate humoral immunity among species and with respect to age, sex, and experimental treatments within populations...
  59. pmc Constitutive innate immunity is a component of the pace-of-life syndrome in tropical birds
    B Irene Tieleman
    Department of Biology, University of Missouri St Louis, 8001 Natural Bridge Road, St Louis, MO 63121, USA
    Proc Biol Sci 272:1715-20. 2005
    ....
  60. ncbi request reprint Island and taxon effects in parasitism revisited: avian malaria in the Lesser Antilles
    Sylvia M Fallon
    Department of Biology, University of Missouri, St Louis, 8001 Natural Bridge Road, St Louis, Missouri 63121 4499, USA
    Evolution 57:606-15. 2003
    ..Patterns of host-parasite associations within this system suggest both historical co-evolution and ecologically dynamic and independent host-parasite interactions...
  61. pmc 110 years of Avipoxvirus in the Galapagos Islands
    Patricia G Parker
    Department of Biology, University of Missouri St Louis, St Louis, Missouri, United States of America
    PLoS ONE 6:e15989. 2011
    ..At present, this disease represents an ongoing threat to the birds on the Galapagos Islands...
  62. pmc Ecological and life-history factors influencing the evolution of maternal antibody allocation: a phylogenetic comparison
    BriAnne Addison
    Biology Department, University of Missouri St Louis, 1 University Boulevard, St Louis, MO 63130, USA
    Proc Biol Sci 276:3979-87. 2009
    ..These results suggest that developmental effects of maternally derived antibodies, such as imprinting effects on B-cell diversity or autoimmune effects, are important and deserve more consideration in future research...
  63. ncbi request reprint Measuring circulating antioxidants in wild birds
    Alan Cohen
    Department of Biology, R223 Research Building, University of Missouri St Louis, St Louis, MO 63121 4499, USA
    Comp Biochem Physiol B Biochem Mol Biol 147:110-21. 2007
    ....
  64. doi request reprint Darwin's bridge between microevolution and macroevolution
    David N Reznick
    Department of Biology, University of California, Riverside, California 92521, USA
    Nature 457:837-42. 2009
    ..Biologists often forget that Charles Darwin offered a way of resolving this issue, and his proposal is ripe for re-evaluation in the light of recent research...
  65. ncbi request reprint Foraging by deep-diving birds is not constrained by an aerobic diving limit: a model of avian depth-dependent diving metabolic rate
    Erpur Snaer Hansen
    Department of Biology, University of Missouri, St Louis, Missouri 63121, USA
    Am Nat 163:358-74. 2004
    ..These data suggest that, for both small and large species, deep diving birds rarely if ever exceed tADL(d)...
  66. ncbi request reprint Growth rate, protein accumulation, and catabolic enzyme activity of skeletal muscles of galliform birds
    Russell E Shea
    Department of Biology, Randolph Macon College, Ashland, Virginia 23005, USA
    Physiol Biochem Zool 80:306-16. 2007
    ....
  67. ncbi request reprint Taxon richness and climate in angiosperms: is there a globally consistent relationship that precludes region effects?
    Hong Qian
    Department of Botany, Research and Collections Center, Illinois State Museum, Springfield, Illinois 62703, USA
    Am Nat 163:773-9; discussion 780-5. 2004
    ..Ecologists must evaluate patterns in local diversity within historical and geographic, as well as ecological, contexts...
  68. ncbi request reprint Regional differences in rates of plant speciation and molecular evolution: a comparison between eastern Asia and eastern North America
    Qiu Yun Jenny Xiang
    Department of Botany, North Carolina State University, Raleigh, North Carolina 27695 7612, USA
    Evolution 58:2175-84. 2004
    ..The close relationship between rates of ITS evolution and species richness further suggests that species production may be directly linked to rate of nucleotide substitution...
  69. ncbi request reprint Evolution and the latitudinal diversity gradient: speciation, extinction and biogeography
    Gary G Mittelbach
    W K Kellogg Biological Station and Department of Zoology, Michigan State University, Hickory Corners, MI 49060, USA
    Ecol Lett 10:315-31. 2007
    ..Distinguishing the roles of history, speciation and extinction in the origin of the latitudinal gradient represents a major challenge to future research...
  70. ncbi request reprint The role of exotic species in homogenizing the North American flora
    Hong Qian
    Ecol Lett 9:1293-8. 2006
    ....
  71. pmc Clade-specific morphological diversification and adaptive radiation in Hawaiian songbirds
    Irby J Lovette
    Cornell Laboratory of Ornithology and Department of Ecology and Evolutionary Biology, Cornell University, 159 Sapsucker Woods Road, Ithaca, NY 14850, USA
    Proc Biol Sci 269:37-42. 2002
    ....
  72. ncbi request reprint Variation in the innate and acquired arms of the immune system among five shorebird species
    Luisa Mendes
    Department of Marine Ecology and Evolution, Royal Netherlands Institute for Sea Research, NIOZ, PO Box 59, 1790 AB Den Burg, Texel, The Netherlands
    J Exp Biol 209:284-91. 2006
    ..Our results indicate that relationships between immune response and infection are not likely to follow a broad general pattern, but instead depend on type of parasite exposure, among other factors...
  73. ncbi request reprint Distributions of exotic plants in eastern Asia and North America
    Qinfeng Guo
    Ecol Lett 9:827-34. 2006
    ..This suggests that both species interactions and human-aided dispersal influence exotic distributions, although further work on the relative importance of these processes is needed...
  74. ncbi request reprint Contrasting adaptive immune defenses and blood parasite prevalence in closely related Passer sparrows
    Kelly A Lee
    Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ 08544, USA
    Oecologia 150:383-92. 2006
    ..We suggest that these immunological differences could affect fitness in ways that contribute to the contrasting abundances of the two species in North American and Western Europe...
  75. ncbi request reprint A latitudinal gradient in large-scale beta diversity for vascular plants in North America
    Hong Qian
    Research and Collections Center, Illinois State Museum, Springfield, IL 62703, USA
    Ecol Lett 10:737-44. 2007
    ..Therefore, decreasing beta diversity from south to north reflects decreasing climate differentiation within more northerly latitude zones, and primarily post-glacial dispersal limitation north of 50 degrees N...
  76. ncbi request reprint Global concordance in diversity patterns of vascular plants and terrestrial vertebrates
    Hong Qian
    Research and Collections Center, Illinois State Museum, 1011 East Ash Street, Springfield, IL 62703, USA
    Ecol Lett 11:547-53. 2008
    ..Thus, a common set of regional characteristics and processes appears to shape patterns of species richness in a diverse set of taxa, despite substantial differences in their biological traits...
  77. pmc Is cell-mediated immunity related to the evolution of life-history strategies in birds?
    Jose L Tella
    Department of Applied Biology, Estacion Biologica de Donana CSIC, Avenida M Luisa s n, 41013 Seville, Spain
    Proc Biol Sci 269:1059-66. 2002
    ..Neither chick CMI nor adult CMI was related to clutch size, contradicting previous results linking parasite-related mortality to CMI and the evolution of clutch size (reproductive investment) in birds...
  78. ncbi request reprint Metabolic response to wind of downy chicks of Arctic-breeding shorebirds (Scolopacidae)
    George S Bakken
    Department of Life Sciences, Indiana State University, Terre Haute, Indiana 47809, USA
    J Exp Biol 205:3435-43. 2002
    ..We developed a standard operative temperature scale for shorebird chicks. The ratio of evaporative cooling to heat production varied with wind speed and air temperature...
  79. ncbi request reprint Does growth rate determine the rate of metabolism in shorebird chicks living in the Arctic?
    Joseph B Williams
    Department of Evolution, Ecology, and Organismal Biology, Ohio State University, 300 Aronoff Lab, 318 West Twelfth Avenue, Columbus, Ohio 43210, USA
    Physiol Biochem Zool 80:500-13. 2007
    ..Chicks of smaller species could maintain a greater temperature gradient at a particular body mass because of their higher mass-specific maximum metabolic rates...
  80. ncbi request reprint Genome size is not related to life-history traits in primates
    Serge Morand
    Centre de Biologie et de Gestion des Populations IRD, Institut de Recherche pour le Developpement, Campus International de Baillarguet, Montferrier sur Lez CEDEX, France
    Genome 48:273-8. 2005
    ..This further indicates that the phenotypic consequences of variation in genome size are dependent on the particular biology of the group in question...
  81. ncbi request reprint Morphometric relationships of take-off speed in anuran amphibians
    Inho Choi
    Department of Life Science, College of Liberal Art and Science, Yonsei University, Wonju, Gangwon do 222 710, Korea
    J Exp Zool A Comp Exp Biol 299:99-102. 2003
    ..The best morphological predictor was HL/SVL (speed=-3.28+3.916 HL/SVL, r=0.968, P<0.0001), suggesting that anuran take-off speed is portrayed well with high gear and acceleration distance characterized by hindlimbs...
  82. doi request reprint Parasite misidentifications in GenBank: how to minimize their number?
    Gediminas Valkiunas
    Trends Parasitol 24:247-8. 2008