fur seals

Summary

Summary: A group comprised of several species of eared seals found in two genera, in the family Otariidae. In comparison to SEA LIONS, they have an especially dense wooly undercoat.

Top Publications

  1. Scheumann M, Call J. The use of experimenter-given cues by South African fur seals (Arctocephalus pusillus). Anim Cogn. 2004;7:224-30 pubmed
    ..In this study we tested four captive fur seals in a two alternative object choice task in which subjects had to use one of the following experimenter-given ..
  2. Horning M, Trillmich F. Lunar cycles in diel prey migrations exert a stronger effect on the diving of juveniles than adult Galápagos fur seals. Proc Biol Sci. 1999;266:1127-32 pubmed
    In our study of the development of diving in Galápagos fur seals, we analysed changes in diving activity and body mass trends over the lunar cycle...
  3. Hoffman J, Forcada J, Amos W. Exploring the mechanisms underlying a heterozygosity-fitness correlation for canine size in the Antarctic fur seal Arctocephalus gazella. J Hered. 2010;101:539-52 pubmed publisher
    ..we revisited a strong HFC found using 9 microsatellite loci for canine tooth size in 84 male Antarctic fur seals Arctocephalus gazella (Hoffman JI, Hanson N, Forcada J, Trathan PN, Amos W. 2010...
  4. Blanc A, Ruchansky D, Clara M, Achaval F, Le Bas A, Arbiza J. Serologic evidence of influenza A and B viruses in South American fur seals (Arctocephalus australis). J Wildl Dis. 2009;45:519-21 pubmed
    The aim of this work was to detect serologic evidence of influenza virus infections in South American fur seals (Arctocephalus australis) that inhabit the Uruguayan coast...
  5. Tripovich J, Charrier I, Rogers T, Canfield R, Arnould J. Acoustic features involved in the neighbour-stranger vocal recognition process in male Australian fur seals. Behav Processes. 2008;79:74-80 pubmed publisher
    ..Territorial male Australian fur seals respond more to strangers than to neighbouring males...
  6. Lynch M, Nielsen O, Duignan P, Kirkwood R, Hoskins A, Arnould J. Serologic survey for potential pathogens and assessment of disease risk in Australian fur seals. J Wildl Dis. 2011;47:555-65 pubmed
    ..Australian fur seals (Arctocephalus pusillus doriferus) have a relatively small population size, a restricted range, and form dense ..
  7. Hoffman J, Nichols H. A novel approach for mining polymorphic microsatellite markers in silico. PLoS ONE. 2011;6:e23283 pubmed publisher
  8. Cane K, Arnould J, Nicholas K. Characterisation of proteins in the milk of fur seals. Comp Biochem Physiol B Biochem Mol Biol. 2005;141:111-20 pubmed
    ..Subsequently, RT-PCR was used to extend the sequence of one of the beta-LGs and translation of the 464 bp fragment indicated that it shared 79% sequence identity with feline beta-LG II...
  9. Hoffman J, Tucker R, Bridgett S, Clark M, Forcada J, Slate J. Rates of assay success and genotyping error when single nucleotide polymorphism genotyping in non-model organisms: a case study in the Antarctic fur seal. Mol Ecol Resour. 2012;12:861-72 pubmed publisher
    ..This has positive implications for future studies of the evolutionary, behavioural and conservation genetics of natural populations...

More Information

Publications80

  1. Eriksson C, Burton H. Origins and biological accumulation of small plastic particles in fur seals from Macquarie Island. Ambio. 2003;32:380-4 pubmed
    One hundred and sixty four plastic particles (mean length 4.1 mm) recovered from the scats of fur seals (Arctocephalus spp.) on Macquarie Island were examined...
  2. Wynen L, Goldsworthy S, Guinet C, Bester M, Boyd I, Gjertz I, et al. Postsealing genetic variation and population structure of two species of fur seal (Arctocephalus gazella and A. tropicalis). Mol Ecol. 2000;9:299-314 pubmed
    ..The latter region may be a result of a pronounced founder effect, or represent a remnant population that survived sealing at Iles Kerguelen...
  3. Hoffman J, Thorne M, Trathan P, Forcada J. Transcriptome of the dead: characterisation of immune genes and marker development from necropsy samples in a free-ranging marine mammal. BMC Genomics. 2013;14:52 pubmed publisher
    ..pinniped species, we 454 sequenced cDNA from testis, heart, spleen, intestine, kidney and lung tissues obtained from nine adult male Antarctic fur seals (Arctocephalus gazella) that died of natural causes at Bird Island, South Georgia.
  4. Tryland M, Nymo I, Nielsen O, Nordøy E, Kovacs K, Krafft B, et al. Serum chemistry and antibodies against pathogens in antarctic fur seals, Weddell seals, crabeater seals, and Ross seals. J Wildl Dis. 2012;48:632-45 pubmed
    ..Serum samples from Antarctic fur seals (Arctocephalus gazella, n=88) from Bouvetøya (2000-2001 and 2001-2002), and from Weddell seals (Leptonychotes ..
  5. Hoffman J, Boyd I, Amos W. Male reproductive strategy and the importance of maternal status in the Antarctic fur seal Arctocephalus gazella. Evolution. 2003;57:1917-30 pubmed
    ..Thus, from a territorial male's perspective, not all females offer equal opportunities for fertilization...
  6. Sharp J, Lefevre C, Nicholas K. Lack of functional alpha-lactalbumin prevents involution in Cape fur seals and identifies the protein as an apoptotic milk factor in mammary gland involution. BMC Biol. 2008;6:48 pubmed publisher
    ..We used fur seals as models to study the molecular process of involution as these animals display a unique mammary gland phenotype...
  7. Lancaster M, Bradshaw C, Goldsworthy S, Sunnucks P. Lower reproductive success in hybrid fur seal males indicates fitness costs to hybridization. Mol Ecol. 2007;16:3187-97 pubmed
    ..A small, recently formed population of fur seals on subantarctic Macquarie Island contains a high proportion of hybrids (17-30%) derived from combinations of ..
  8. Lyamin O, Kosenko P, Lapierre J, Mukhametov L, Siegel J. Fur seals display a strong drive for bilateral slow-wave sleep while on land. J Neurosci. 2008;28:12614-21 pubmed publisher
    b>Fur seals (pinnipeds of the family Otariidae) display two fundamentally different patterns of sleep: bilaterally symmetrical slow-wave sleep (BSWS) as seen in terrestrial mammals and slow-wave sleep (SWS) with a striking interhemispheric ..
  9. Hoffman J, Forcada J, Trathan P, Amos W. Female fur seals show active choice for males that are heterozygous and unrelated. Nature. 2007;445:912-4 pubmed
    ..Here we exploit a remarkable system in which female fur seals exert choice by moving across a crowded breeding colony to visit largely static males...
  10. Hoffman J. Gene discovery in the Antarctic fur seal (Arctocephalus gazella) skin transcriptome. Mol Ecol Resour. 2011;11:703-10 pubmed publisher
  11. Sharp J, Cane K, Mailer S, Oosthuizen W, Arnould J, Nicholas K. Species-specific cell-matrix interactions are essential for differentiation of alveoli like structures and milk gene expression in primary mammary cells of the Cape fur seal (Arctocephalus pusillus pusillus). Matrix Biol. 2006;25:430-42 pubmed
    Few models are in place for analysis of extreme lactation patterns such as that of the fur seals which are capable of extended down regulation of milk production in the absence of involution...
  12. Gurarie E, Andrews R, Laidre K. A novel method for identifying behavioural changes in animal movement data. Ecol Lett. 2009;12:395-408 pubmed publisher
    ..By informing empirical interpretation of movement data, we suggest that the BCPA can eventually motivate the development of mechanistic behavioural models...
  13. Urashima T, Arita M, Yoshida M, Nakamura T, Arai I, Saito T, et al. Chemical characterisation of the oligosaccharides in hooded seal (Cystophora cristata) and Australian fur seal (Arctocephalus pusillus doriferus) milk. Comp Biochem Physiol B Biochem Mol Biol. 2001;128:307-23 pubmed
    ..These results, therefore, support the hypothesis that the milk of otariids, unlike that of phocids, contains no free reducing saccharides...
  14. Gemmell N, Burg T, Boyd I, Amos W. Low reproductive success in territorial male Antarctic fur seals (Arctocephalus gazella) suggests the existence of alternative mating strategies. Mol Ecol. 2001;10:451-60 pubmed
    Microsatellites were used to conduct an analysis of paternity of Antarctic fur seals (Arctocephalus gazella) from Bird Island, South Georgia...
  15. Hoffman J, Amos W. Microsatellite genotyping errors: detection approaches, common sources and consequences for paternal exclusion. Mol Ecol. 2005;14:599-612 pubmed
    ..Here, we use a large data set comprising almost 2000 Antarctic fur seals Arctocephalus gazella genotyped at nine hypervariable microsatellite loci to explore error detection methods, ..
  16. Ikemoto T, Kunito T, Watanabe I, Yasunaga G, Baba N, Miyazaki N, et al. Comparison of trace element accumulation in Baikal seals (Pusa sibirica), Caspian seals (Pusa caspica) and northern fur seals (Callorhinus ursinus). Environ Pollut. 2004;127:83-97 pubmed
    ..Cs, Hg, Tl and Pb) were determined in liver, kidney, muscle and hair of Baikal seals, Caspian seals and northern fur seals. All the three species showed the highest concentrations of Hg, V, Mn, Se and Ag in liver, Cd, Co and Tl in ..
  17. Hoffman J, Boyd I, Amos W. Exploring the relationship between parental relatedness and male reproductive success in the Antarctic fur seal Arctocephalus gazella. Evolution. 2004;58:2087-99 pubmed
    ..Since the relationship remained significant in all cases, we favor a multilocus explanation for the effects we report...
  18. Rutishauser M, Costa D, Goebel M, Williams T. Ecological implications of body composition and thermal capabilities in young antarctic fur seals (Arctocephalus gazella). Physiol Biochem Zool. 2004;77:669-81 pubmed
    ..data, we constructed a model to examine the importance of postweaning fasting capability in free-ranging young fur seals. Resting metabolic rates were different for pups and yearlings measured in 0.6 degrees C water, 10...
  19. Page B, McKenzie J, McIntosh R, Baylis A, Morrissey A, Calvert N, et al. Entanglement of Australian sea lions and New Zealand fur seals in lost fishing gear and other marine debris before and after Government and industry attempts to reduce the problem. Mar Pollut Bull. 2004;49:33-42 pubmed
    ..In contrast, New Zealand fur seals were most commonly entangled in loops of packing tape and trawl net fragments suspected to be from regional rock ..
  20. Shero M, Andrews R, Lestyk K, Burns J. Development of the aerobic dive limit and muscular efficiency in northern fur seals (Callorhinus ursinus). J Comp Physiol B. 2012;182:425-36 pubmed publisher
    ..001). In combination, these findings indicate that pups are biochemically and physiologically limited in their diving capabilities relative to adults. This may contribute to lower NFS first year survival...
  21. Hoffman J, Trathan P, Amos W. Genetic tagging reveals extreme site fidelity in territorial male Antarctic fur seals Arctocephalus gazella. Mol Ecol. 2006;15:3841-7 pubmed
    ..Here we used genetic recapture data to quantify male site fidelity at a colony of Antarctic fur seals where an aerial walkway provides unprecedented access and individual positions are determined daily to 1 m ..
  22. Lancaster M, Goldsworthy S, Sunnucks P. Multiple mating strategies explain unexpected genetic mixing of New Zealand fur seals with two congenerics in a recently recolonized population. Mol Ecol. 2007;16:5267-76 pubmed
    ..tropicalis) fur seals, and an itinerant collection of male New Zealand fur seals (A...
  23. Lapierre J, Kosenko P, Lyamin O, Kodama T, Mukhametov L, Siegel J. Cortical acetylcholine release is lateralized during asymmetrical slow-wave sleep in northern fur seals. J Neurosci. 2007;27:11999-2006 pubmed
    b>Fur seals are unique in that they display both bilateral slow-wave sleep (BSWS), as seen in all terrestrial mammals, and slow-wave sleep with interhemispheric electroencephalogram (EEG) asymmetry, resembling the unihemispheric slow waves ..
  24. de Bruyn P, Bastos A, Eadie C, Tosh C, Bester M. Mass mortality of adult male subantarctic fur seals: are alien mice the culprits?. PLoS ONE. 2008;3:e3757 pubmed publisher
    ..were indiscriminate with respect to sex and age, here we report a land-based mass mortality of Subantarctic fur seals with apparent exclusivity to adult males...
  25. Arnould J, Morris M, Rawlins D, Boyd I. Variation in plasma leptin levels in response to fasting in Antarctic fur seals (Arctocephalus gazella). J Comp Physiol B. 2002;172:27-34 pubmed
    Plasma leptin levels were determined in 8 lactating female and 20 pup Antarctic fur seals (Arctocephalus gazella) during fasting periods of normal duration. Plasma leptin levels ranged from 1.35 3...
  26. Lea M, Johnson D, Ream R, Sterling J, Melin S, Gelatt T. Extreme weather events influence dispersal of naive northern fur seals. Biol Lett. 2009;5:252-7 pubmed publisher
    ..We suggest that increasingly variable climatic conditions at weaning, particularly timing, frequency and intensity of autumnal storms in the Bering Sea, may alter timing, direction of dispersal and potentially survival of pups...
  27. Hoffman J, Grant S, Forcada J, Phillips C. Bayesian inference of a historical bottleneck in a heavily exploited marine mammal. Mol Ecol. 2011;20:3989-4008 pubmed publisher
    ..This was achieved using only contemporary samples, further emphasizing the potential of Bayesian approaches to address important problems in conservation and evolutionary biology...
  28. Lynch M, Duignan P, Taylor T, Nielsen O, Kirkwood R, Gibbens J, et al. Epizootiology of Brucella infection in Australian fur seals. J Wildl Dis. 2011;47:352-63 pubmed
    ..We investigated the epizootiology of Brucella infection in Australian fur seals (Arctocephalus pusillus doriferus) by establishing demographic and temporal variations in antibody prevalence, ..
  29. Donohue M, Costa D, Goebel M, Baker J. The ontogeny of metabolic rate and thermoregulatory capabilities of northern fur seal, Callorhinus ursinus, pups in air and water. J Exp Biol. 2000;203:1003-16 pubmed
    ..This study demonstrates that the development of thermoregulatory capabilities plays a significant role in determining when northern fur seal pups enter the water...
  30. Boren L, Morrissey M, Muller C, Gemmell N. Entanglement of New Zealand fur seals in man-made debris at Kaikoura, New Zealand. Mar Pollut Bull. 2006;52:442-6 pubmed
    New Zealand fur seals in the Kaikoura region breed near a town with expanding tourist and fishing industries and commonly come ashore entangled in nets and plastic debris...
  31. Dickerson B, Ream R, Vignieri S, Bentzen P. Population structure as revealed by mtDNA and microsatellites in northern fur seals, Callorhinus ursinus, throughout their range. PLoS ONE. 2010;5:e10671 pubmed publisher
    ..This level of philopatry could conceivably lead to highly genetically divergent populations. However, northern fur seals have the potential for dispersal across large distances and have experienced repeated rapid population ..
  32. Cherel Y, Kernaleguen L, Richard P, Guinet C. Whisker isotopic signature depicts migration patterns and multi-year intra- and inter-individual foraging strategies in fur seals. Biol Lett. 2009;5:830-2 pubmed publisher
    ..Whiskers of male Antarctic fur seals breeding at the Crozet Islands showed synchronous and regular oscillations in both their delta(13)C and delta(15)..
  33. Ionita M, Varela M, Lyons E, Spraker T, Tolliver S. Hookworms (Uncinaria lucasi) and acanthocephalans (Corynosoma spp. and Bolbosoma spp.) found in dead northern fur seals (Callorhinus ursinus) on St. Paul Island, Alaska in 2007. Parasitol Res. 2008;103:1025-9 pubmed publisher
    Intestines of dead northern fur seals (Callorhinus ursinus) on St. Paul Island (SPI), Alaska were inspected for specific internal parasites (hookworms and acanthocephalans) in July and August, 2007...
  34. Lancaster M, Gemmell N, Negro S, Goldsworthy S, Sunnucks P. Ménage à trois on Macquarie Island: hybridization among three species of fur seal (Arctocephalus spp.) following historical population extinction. Mol Ecol. 2006;15:3681-92 pubmed
    ..has been slow and complex, characterized by the establishment of breeding groups of Antarctic and subantarctic fur seals (Arctocephalus gazella and Arctocephalus tropicalis) and presumed nonbreeding (itinerant) male New Zealand fur ..
  35. Laska M, Svelander M, Amundin M. Successful acquisition of an olfactory discrimination paradigm by South African fur seals, Arctocephalus pusillus. Physiol Behav. 2008;93:1033-8 pubmed publisher
    The present study demonstrates that South African fur seals, Arctocephalus pusillus, can successfully be trained to discriminate between objects on the basis of odor cues...
  36. Beauplet G, Guinet C. Phenotypic determinants of individual fitness in female fur seals: larger is better. Proc Biol Sci. 2007;274:1877-83 pubmed
    ..We addressed this knowledge gap using data from long-term monitoring of individually marked female subantarctic fur seals. The females of higher quality (i.e...
  37. Hoffman J, Forcada J, Amos W. No relationship between microsatellite variation and neonatal fitness in Antarctic fur seals, Arctocephalus gazella. Mol Ecol. 2006;15:1995-2005 pubmed
  38. Goldman C, Loureiro J, Matteo M, Catalano M, González A, Heredia S, et al. Helicobacter spp. from gastric biopsies of stranded South American fur seals (Arctocephalus australis). Res Vet Sci. 2009;86:18-21 pubmed publisher
    ..in the gastric mucosa of South American fur seals (Arctocephalusaustralis)...
  39. Cherel Y, Hobson K, Guinet C, Vanpe C. Stable isotopes document seasonal changes in trophic niches and winter foraging individual specialization in diving predators from the Southern Ocean. J Anim Ecol. 2007;76:826-36 pubmed
    ..the temporal variability in resource partitioning within the guild of five sympatric Subantarctic penguins and fur seals from Crozet Islands...
  40. Sharp J, Cane K, Lefevre C, Arnould J, Nicholas K. Fur seal adaptations to lactation: insights into mammary gland function. Curr Top Dev Biol. 2006;72:275-308 pubmed
    ..Milk production continues while foraging at sea, but at less than 20% the rate of production on land. Fur seals produce one of the richest milk reported, with a very high lipid content contributing up to 85% of total energy...
  41. Kernaléguen L, Cazelles B, Arnould J, Richard P, Guinet C, Cherel Y. Long-term species, sexual and individual variations in foraging strategies of fur seals revealed by stable isotopes in whiskers. PLoS ONE. 2012;7:e32916 pubmed publisher
    ..A challenge in testing consistency of individual foraging strategy is the repeated collection of information on the same individuals...
  42. Hoffman J, Hanson N, Forcada J, Trathan P, Amos W. Getting long in the tooth: a strong positive correlation between canine size and heterozygosity in Antarctic fur seals Arctocephalus gazella. J Hered. 2010;101:527-38 pubmed publisher
    ..Consequently, we collected paired upper canine teeth and tissue samples from 84 adult male Antarctic fur seals Arctocephalus gazella that died of natural causes at Bird Island, South Georgia...
  43. García Peña F, Perez Boto D, Jimenez C, San Miguel E, Echeita A, Rengifo Herrera C, et al. Isolation and characterization of Campylobacter spp. from Antarctic fur seals (Arctocephalus gazella) at Deception Island, Antarctica. Appl Environ Microbiol. 2010;76:6013-6 pubmed publisher
    The presence of Campylobacter spp. was investigated in 41 Antarctic fur seals (Arctocephalus gazella) and 9 Weddell seals (Leptonychotes weddellii) at Deception Island, Antarctica. Infections were encountered in six Antarctic fur seals...
  44. Ladds M, Rosen D, Slip D, Harcourt R. The utility of accelerometers to predict stroke rate in captive fur seals and sea lions. Biol Open. 2017;6:1396-1400 pubmed publisher
    The energy expenditure of free-living fur seals and sea lions is difficult to measure directly, but may be indirectly derived from flipper stroke rate...
  45. Kuzmina T, Tkach V, Spraker T, Lyons E, Kudlai O. Digeneans of northern fur seals Callorhinus ursinus (Pinnipedia: Otariidae) from five subpopulations on St. Paul Island, Alaska. Parasitol Res. 2018;117:1079-1086 pubmed publisher
    A parasitological survey of 651 northern fur seals Callorhinus ursinus L. from five subpopulations was conducted on St. Paul Island, Alaska, during July-August 2012-2014...
  46. Fillmann G, Hermanns L, Fileman T, Readman J. Accumulation patterns of organochlorines in juveniles of Arctocephalus australis found stranded along the coast of Southern Brazil. Environ Pollut. 2007;146:262-7 pubmed
  47. Coria Galindo E, Rangel Huerta E, Verdugo Rodríguez A, Brousset D, Salazar S, Padilla Noriega L. Rotavirus infections in Galapagos sea lions. J Wildl Dis. 2009;45:722-8 pubmed
    ..These results provide the first evidence that rotavirus infections are prevalent at an early age in Galapagos sea lions and Galapagos fur seals.
  48. Beckmen K, Blake J, Ylitalo G, Stott J, O Hara T. Organochlorine contaminant exposure and associations with hematological and humoral immune functional assays with dam age as a factor in free-ranging northern fur seal pups (Callorhinus ursinus). Mar Pollut Bull. 2003;46:594-606 pubmed
    ..of organochlorine contaminant (OC) exposure on humoral immune function and health of free-ranging northern fur seals were investigated...
  49. Lyons E. Historic importance of some aspects of research by O. Wilford Olsen on hookworms (Uncinaria lucasi) in northern fur seals (Callorhinus ursinus) and Steller sea lions (Eumatopias jubatus) in 1951 on St. Paul Island, Alaska. Parasitol Res. 2005;95:353-7 pubmed
    ..Wilford Olsen on hookworms (Uncinaria lucasi) in northern fur seals (Callorhinus ursinus) and Steller sea lions (Eumatopias jubatus) in 1951 on St. Paul Island, Alaska...
  50. Roe W, Gartrell B, Hunter S. Freezing and thawing of pinniped carcasses results in artefacts that resemble traumatic lesions. Vet J. 2012;194:326-31 pubmed publisher
    ..Necropsy findings in New Zealand fur seals (Arctocephalus forsteri), captured incidental to commercial fishing, and either chilled (n=5) or frozen (n=5), ..
  51. Beckmen K, Ylitalo G, Towell R, Krahn M, O Hara T, Blake J. Factors affecting organochlorine contaminant concentrations in milk and blood of northern fur seal (Callorhinus ursinus) dams and pups from St. George Island, Alaska. Sci Total Environ. 1999;231:183-200 pubmed
    ..Northern fur seal pups, especially first-born, have a substantial exposure to organochlorine contaminants at a critical developmental stage. ..
  52. Taylor S, Lynch M, Terkildsen M, Stevenson G, Yates A, Piro N, et al. Utility of fur as a biomarker for persistent organic pollutants in Australian fur seals (Arctocephalus pusillus doriferus). Sci Total Environ. 2018;610-611:1310-1320 pubmed publisher
    ..An alopecia syndrome is seen at high prevalence in juvenile, female Australian fur seals at Lady Julia Percy Island, Victoria, Australia...
  53. Brennan A, Sharp J, Lefevre C, Topcic D, Auguste A, Digby M, et al. The tammar wallaby and fur seal: models to examine local control of lactation. J Dairy Sci. 2007;90 Suppl 1:E66-75 pubmed
    ..Therefore, we propose that a loss of function of this protein in eutherians may relate to a reproductive strategy that is less dependent on lactation. ..
  54. Sakai H, Iwata H, Kim E, Tanabe S, Baba N. Identification of constitutive androstane receptor cDNA in northern fur seal (Callorhinus ursinus). Mar Environ Res. 2004;58:107-11 pubmed
    ..signaling pathways in aquatic mammals, we initially attempted to isolate CAR cDNA in the liver of northern fur seals (Callorhinus ursinus) from off-Sanriku, Japan...
  55. Forrester N, Palacios G, Tesh R, Savji N, Guzman H, Sherman M, et al. Genome-scale phylogeny of the alphavirus genus suggests a marine origin. J Virol. 2012;86:2729-38 pubmed publisher
    ..Complete genome sequencing of all members of the genus also revealed conserved residues forming the structural basis of the E1 and E2 protein dimers...
  56. Västermark Å, Schioth H. The early origin of melanocortin receptors, agouti-related peptide, agouti signalling peptide, and melanocortin receptor-accessory proteins, with emphasis on pufferfishes, elephant shark, lampreys, and amphioxus. Eur J Pharmacol. 2011;660:61-9 pubmed publisher
    ..rubripes) has both genes. This study shows that the most ancient presence of these melanocortin-related sequences is found in elephant shark and lampreys considering the current available sequence data...
  57. Weber D, Stewart B, Lehman N. Genetic consequences of a severe population bottleneck in the Guadalupe fur seal (Arctocephalus townsendi). J Hered. 2004;95:144-53 pubmed
    ..variation at a 181 bp section of the mitochondrial DNA (mtDNA) control region from the bones of 26 prebottleneck fur seals versus variation in the extant population...
  58. Insley S. Long-term vocal recognition in the northern fur seal. Nature. 2000;406:404-5 pubmed
  59. Byard R, Winskog C, Machado A, Boardman W. The assessment of lethal propeller strike injuries in sea mammals. J Forensic Leg Med. 2012;19:158-61 pubmed publisher
    ..In cases that do come to forensic attention accurate evaluation of the type of injury may potentially have great medicolegal significance. Post-mortem putrefaction and post-mortem feeding by other sea animals may complicate assessments. ..
  60. Ladds M, Rosen D, Slip D, Harcourt R. Proxies of energy expenditure for marine mammals: an experimental test of "the time trap". Sci Rep. 2017;7:11815 pubmed publisher
    ..To test this hypothesis, we measured oxygen consumption of captive fur seals and sea lions wearing accelerometers during submerged swimming and calculated total and rate of energy ..
  61. Dagleish M, Barrows M, Maley M, Killick R, Finlayson J, Goodchild R, et al. The first report of otarine herpesvirus-1-associated urogenital carcinoma in a South American fur seal (Arctocephalus australis). J Comp Pathol. 2013;149:119-25 pubmed publisher
  62. Sardella N, Mattiucci S, Timi J, Bastida R, Rodríguez D, Nascetti G. Corynosoma australe Johnston, 1937 and C. cetaceum Johnston & Best, 1942 (Acanthocephala: Polymorphidae) from marine mammals and fishes in Argentinian waters: allozyme markers and taxonomic status. Syst Parasitol. 2005;61:143-56 pubmed
    ..However, a number of morphological and morphometric features of the Argentinian material were different to those of C. australe and C. cetaceum described from other regions of the world...
  63. Wierucka K, Siemianowska S, Wozniak M, Jasnosz K, Kieliszczyk M, Kozak P, et al. Activity Budgets of Captive Cape Fur Seals (Arctocephalus pusillus) Under a Training Regime. J Appl Anim Welf Sci. 2016;19:62-72 pubmed publisher
    ..This study was conducted to obtain detailed time budgets of trained Cape fur seals (Arctocephalus pusillus) in captivity, to evaluate variations of these patterns, and to determine whether ..
  64. Marshall C, Rosen D, Trites A. Feeding kinematics and performance of basal otariid pinnipeds, Steller sea lions and northern fur seals: implications for the evolution of mammalian feeding. J Exp Biol. 2015;218:3229-40 pubmed publisher
    ..the feeding kinematics and performance of five Steller sea lions (Eumetopias jubatus) and six northern fur seals (Callorhinus ursinus)...
  65. Scharpegge J, Hartmann M, Eulenberger K. Thoracic auscultation in captive bottlenose dolphins (Tursiops truncatus), California sea lions (Zalophus californianus), and South African fur seals (Arctocephalus pusillus) with an electronic stethoscope. J Zoo Wildl Med. 2012;43:265-74 pubmed
    ..bottlenose dolphins (Tursiops truncatus), 6 California sea lions (Zalophus californianus), and 5 South African fur seals (Arctocephalus pusillus) were recorded with an electronic stethoscope...
  66. Dabin W, Beauplet G, Guinet C. Response of wild subantarctic fur seal (Arctocephalus tropicalis) females to ketamine and tiletamine-zolazepam anesthesia. J Wildl Dis. 2002;38:846-50 pubmed
    ..The dosage required to achieve a satisfactory level of anesthesia was smaller for subantarctic fur seals than for most other species of seals and was less for animals in better body condition...
  67. Duncan C, Goldstein T, Hearne C, Gelatt T, Spraker T. Novel polyomaviral infection in the placenta of a northern fur seal (Callorhinus ursinus) on the Pribilof Islands, Alaska, USA. J Wildl Dis. 2013;49:163-7 pubmed publisher
    ..The significance of this novel virus for the infected animal is unknown, but the virus does not appear to be very prevalent within the placentas from newborn northern fur seal pups...
  68. Luque S, Fried R. Recursive filtering for zero offset correction of diving depth time series with GNU R package diveMove. PLoS ONE. 2011;6:e15850 pubmed publisher
    ..We illustrate applications of the method to data sets from four species with large differences in diving behaviour, measured using different sampling protocols and instrument characteristics...
  69. Tripovich J, Rogers T, Canfield R, Arnould J. Individual variation in the pup attraction call produced by female Australian fur seals during early lactation. J Acoust Soc Am. 2006;120:502-9 pubmed
    Otariid seals (fur seals and sea lions) are colonial breeders with large numbers of females giving birth on land during a synchronous breeding period...
  70. Guinet C, Servera N, Mangin S, Georges J, Lacroix A. Change in plasma cortisol and metabolites during the attendance period ashore in fasting lactating subantarctic fur seals. Comp Biochem Physiol A Mol Integr Physiol. 2004;137:523-31 pubmed
    Lactating fur seals (Arctocephalus tropicalis) alternate foraging trips at sea and pup attendance periods ashore...
  71. Hoffman J, Amos W. Does kin selection influence fostering behaviour in Antarctic fur seals (Arctocephalus gazella)?. Proc Biol Sci. 2005;272:2017-22 pubmed
    A recent observation that female Antarctic fur seals foster pups born to related females raises the fascinating possibility that kin selection may promote altruistic behaviour even on a crowded breeding beach, where individual ..