strigiformes

Summary

Summary: An order of BIRDS with the common name owls characterized by strongly hooked beaks, sharp talons, large heads, forward facing eyes, and facial disks. While considered nocturnal RAPTORS, some owls do hunt by day.

Top Publications

  1. Gasparini J, Bize P, Piault R, Wakamatsu K, Blount J, Ducrest A, et al. Strength and cost of an induced immune response are associated with a heritable melanin-based colour trait in female tawny owls. J Anim Ecol. 2009;78:608-16 pubmed publisher
  2. Wasser S, Hunt K. Noninvasive measures of reproductive function and disturbance in the barred owl, great horned owl, and northern spotted owl. Ann N Y Acad Sci. 2005;1046:109-37 pubmed
    ..Collectively, these studies show that noninvasive fecal hormone measurements show great promise for noninvasive assessment of reproduction and stress in wild owls...
  3. Gutierrez Ibanez C, Iwaniuk A, Lisney T, Wylie D. Comparative study of visual pathways in owls (Aves: Strigiformes). Brain Behav Evol. 2013;81:27-39 pubmed publisher
  4. Komnenou A, Georgopoulou I, Savvas I, Dessiris A. A retrospective study of presentation, treatment, and outcome of free-ranging raptors in Greece (1997-2000). J Zoo Wildl Med. 2005;36:222-8 pubmed
    ..of 19 species were admitted from taxonomic orders Accipitriformes (n = 295), Falconiformes (n = 35), and Strigiformes (n = 72). Traumatic injuries (n = 305, 75.8%) were the most common cause of presentation in all raptors...
  5. Winkowski D, Knudsen E. Distinct mechanisms for top-down control of neural gain and sensitivity in the owl optic tectum. Neuron. 2008;60:698-708 pubmed publisher
    ..The coordinated action of these different mechanisms can account for many of the reported effects of spatial attention on neural responses in monkeys and on behavioral performance in humans...
  6. Rose N, Warren A, Whiteside D, Bidulka J, Robinson J, Illanes O, et al. Columbid herpesvirus-1 mortality in great horned owls (Bubo virginianus) from Calgary, Alberta. Can Vet J. 2012;53:265-8 pubmed
    ..The sequence of a PCR amplicon had 99.7% homology to Columbid herpesvirus-1...
  7. Mysore S, Asadollahi A, Knudsen E. Signaling of the strongest stimulus in the owl optic tectum. J Neurosci. 2011;31:5186-96 pubmed publisher
  8. Pena J, Konishi M. Robustness of multiplicative processes in auditory spatial tuning. J Neurosci. 2004;24:8907-10 pubmed
    ..Multiplication worked for the entire range of postsynaptic potentials created by manipulation of ITD...
  9. Piault R, Gasparini J, Bize P, Jenni Eiermann S, Roulin A. Pheomelanin-based coloration and the ability to cope with variation in food supply and parasitism. Am Nat. 2009;174:548-56 pubmed publisher
    ..This suggests that dark and pale pheomelanic owls reflect alternative adaptations to food availability and parasites, factors known to vary in space and time...

More Information

Publications62

  1. Galeotti P, Rubolini D, Sacchi R, Fasola M. Global changes and animal phenotypic responses: melanin-based plumage redness of scops owls increased with temperature and rainfall during the last century. Biol Lett. 2009;5:532-4 pubmed publisher
    ..Our study indicates that ongoing climate changes might have either shifted the selective balance between colour morphs, or differentially affected migration and movement patterns of colour morphs...
  2. Fuchs J, Pons J, Goodman S, Bretagnolle V, Melo M, Bowie R, et al. Tracing the colonization history of the Indian Ocean scops-owls (Strigiformes: Otus) with further insight into the spatio-temporal origin of the Malagasy avifauna. BMC Evol Biol. 2008;8:197 pubmed publisher
  3. Fischer B, Pena J, Konishi M. Emergence of multiplicative auditory responses in the midbrain of the barn owl. J Neurophysiol. 2007;98:1181-93 pubmed
    ..A network model shows that a linear combination of ICcl responses to ITD-ILD pairs is sufficient to produce the multiplicative subthreshold responses to ITD and ILD seen in ICx...
  4. Whitchurch E, Takahashi T. Combined auditory and visual stimuli facilitate head saccades in the barn owl (Tyto alba). J Neurophysiol. 2006;96:730-45 pubmed
    ..These results support a model of sensory integration in which the faster modality initiates the saccade and the slower modality remains available to refine saccade trajectory...
  5. Winkowski D, Knudsen E. Top-down gain control of the auditory space map by gaze control circuitry in the barn owl. Nature. 2006;439:336-9 pubmed
    ..This approach provides a path for discovering mechanisms that underlie top-down gain control in the central nervous system...
  6. Campioni L, Delgado M, Lourenço R, Bastianelli G, Fernández N, Penteriani V. Individual and spatio-temporal variations in the home range behaviour of a long-lived, territorial species. Oecologia. 2013;172:371-85 pubmed publisher
    ..Because of the plurality of behavioural and ecological processes simultaneously involved in home range behaviour, we claim that an integrative approach is required for adequate investigation of its temporal and spatial variation...
  7. Spezio M, Takahashi T. Frequency-specific interaural level difference tuning predicts spatial response patterns of space-specific neurons in the barn owl inferior colliculus. J Neurosci. 2003;23:4677-88 pubmed
    ..Thus, neurons achieved sharp spatial tuning by selecting for ILDs of a subset of spectral components in noise, some of which were not identified using narrowband stimuli...
  8. Sergio F, Newton I, Marchesi L. Conservation: top predators and biodiversity. Nature. 2005;436:192 pubmed
  9. Pérez M, SHANBHAG S, Pena J. Auditory spatial tuning at the crossroads of the midbrain and forebrain. J Neurophysiol. 2009;102:1472-82 pubmed publisher
    ..The differences observed at the initial stages of these sound-localization pathways may reflect diverse functions and coding schemes of midbrain and forebrain...
  10. Bergan J, Ro P, Ro D, Knudsen E. Hunting increases adaptive auditory map plasticity in adult barn owls. J Neurosci. 2005;25:9816-20 pubmed
    ..These results indicate that the experience of hunting dramatically increases adult adaptive plasticity in this pathway...
  11. Ferrer D, Molina R, Castella J, Kinsella J. Parasitic helminths in the digestive tract of six species of owls (Strigiformes) in Spain. Vet J. 2004;167:181-5 pubmed
    ..Spain to determine the prevalence of parasitic helminths infesting the digestive tract of nocturnal raptors (Strigiformes). One hundred birds belonging to six owl species were examined...
  12. Takahashi T, Bala A, Spitzer M, Euston D, Spezio M, Keller C. The synthesis and use of the owl's auditory space map. Biol Cybern. 2003;89:378-87 pubmed
    ..This signal-detection-based approach revealed that the change in the position of the neural image on this map best explains the spatial discrimination measured using the PDR. We compare this result to recent studies in mammalian systems...
  13. Konishi M. Coding of auditory space. Annu Rev Neurosci. 2003;26:31-55 pubmed
    ..Thus, the two coding schemes are not alternate methods. Owls can localize sounds by using either the isomorphic map of auditory space in the midbrain or forebrain neural networks in which space is not mapped...
  14. Asadollahi A, Mysore S, Knudsen E. Rules of competitive stimulus selection in a cholinergic isthmic nucleus of the owl midbrain. J Neurosci. 2011;31:6088-97 pubmed publisher
    ..The data indicate that competitive interactions in the Ipc depend on feedback and a globally divisive inhibitory network...
  15. de Oliveira E, de Moura S, dos Anjos L, Nagamachi C, Pieczarka J, O Brien P, et al. Comparative chromosome painting between chicken and spectacled owl (Pulsatrix perspicillata): implications for chromosomal evolution in the Strigidae (Aves, Strigiformes). Cytogenet Genome Res. 2008;122:157-62 pubmed publisher
    ..In order to define homologies between Gallus gallus and Pulsatrixperspicillata (Strigiformes, Strigidae), we used chromosome painting with chicken DNA probes of chromosomes 1-10 and Z and telomeric ..
  16. Fischer B, Christianson G, Pena J. Cross-correlation in the auditory coincidence detectors of owls. J Neurosci. 2008;28:8107-15 pubmed publisher
    ..Our work sets forth both the methodology to answer whether cross-correlation describes coincidence detector responses and a demonstration that in the barn owl, the result is that expected by theory...
  17. Ducrest A, Keller L, Roulin A. Pleiotropy in the melanocortin system, coloration and behavioural syndromes. Trends Ecol Evol. 2008;23:502-10 pubmed publisher
    ..Pleiotropic effects of the melanocortins might thus account for the widespread covariance between melanin-based coloration and other phenotypic traits in vertebrates...
  18. Spitzer M, Bala A, Takahashi T. Auditory spatial discrimination by barn owls in simulated echoic conditions. J Acoust Soc Am. 2003;113:1631-45 pubmed
    ..These results demonstrate a similarity of precedence effect phenomena in barn owls and humans, and provide a basis for quantitative comparison with neuronal data from the same species...
  19. Bala A, Spitzer M, Takahashi T. Prediction of auditory spatial acuity from neural images on the owl's auditory space map. Nature. 2003;424:771-4 pubmed
    ..Displacement of the source causes the pattern of activity in this population to change. We show that this change predicts the owl's ability to detect a change in source location...
  20. Wagner H, Asadollahi A, Bremen P, Endler F, Vonderschen K, von Campenhausen M. Distribution of interaural time difference in the barn owl's inferior colliculus in the low- and high-frequency ranges. J Neurosci. 2007;27:4191-200 pubmed
    ..We speculate that the deviation of the representation of interaural time difference from optimal-coding models in the low-frequency range is attributable to the diminished importance of low frequencies for catching prey in this species...
  21. Carroll C, Johnson D. The importance of being spatial (and reserved): assessing northern spotted owl habitat relationships with hierarchical Bayesian models. Conserv Biol. 2008;22:1026-36 pubmed publisher
  22. Bala A, Spitzer M, Takahashi T. Auditory spatial acuity approximates the resolving power of space-specific neurons. PLoS ONE. 2007;2:e675 pubmed
    ..Our results, therefore, are consistent with the hypothesis that the acuity of the midbrain space map determines auditory spatial discrimination...
  23. Netser S, Ohayon S, Gutfreund Y. Multiple manifestations of microstimulation in the optic tectum: eye movements, pupil dilations, and sensory priming. J Neurophysiol. 2010;104:108-18 pubmed publisher
    ..These results suggest that the optic tectum is directly involved in autonomic orienting reflexes as well as in gaze shifts, highlighting the central role of the optic tectum in mediating the body responses to salient stimuli...
  24. Penteriani V, Delgado M. Owls may use faeces and prey feathers to signal current reproduction. PLoS ONE. 2008;3:e3014 pubmed publisher
    ..Visual signals may play a role in a variety of circumstances in this crepuscular and nocturnal species...
  25. Kovacs A, Mammen U, Wernham C. European monitoring for raptors and owls: state of the art and future needs. Ambio. 2008;37:408-12 pubmed
  26. Arthur B. Distribution within the barn owl's inferior colliculus of neurons projecting to the optic tectum and thalamus. J Comp Neurol. 2005;492:110-21 pubmed
    ..These results highlight the need for more detailed studies elucidating the microcircuitry and corresponding physiology of IC, such as have been done in the cortices of the mammalian cerebellum and cerebrum...
  27. Outlaw D, Ricklefs R. On the phylogenetic relationships of haemosporidian parasites from raptorial birds (Falconiformes and Strigiformes). J Parasitol. 2009;95:1171-6 pubmed publisher
    ..We believe the latter 2 explanations are unlikely because these divergent cyt b lineages form a single clade and were also recovered with several additional genomic markers...
  28. Winkowski D, Knudsen E. Top-down control of multimodal sensitivity in the barn owl optic tectum. J Neurosci. 2007;27:13279-91 pubmed
    ..This experimental approach provides a means for discovering mechanisms that underlie the top-down regulation of sensory responses...
  29. Mysore S, Knudsen E. Reciprocal inhibition of inhibition: a circuit motif for flexible categorization in stimulus selection. Neuron. 2012;73:193-205 pubmed publisher
    ..The results demonstrate the extraordinary power of a remarkably simple, neurally grounded circuit motif in producing flexible categorization, a computation fundamental to attention, perception, and decision making...
  30. Harmening W, Orlowski J, Ben Shahar O, Wagner H. Overt attention toward oriented objects in free-viewing barn owls. Proc Natl Acad Sci U S A. 2011;108:8461-6 pubmed publisher
  31. Mysore S, Asadollahi A, Knudsen E. Global inhibition and stimulus competition in the owl optic tectum. J Neurosci. 2010;30:1727-38 pubmed publisher
    ..We hypothesize that this global, cross-modal inhibition, which acts automatically in a bottom-up manner even in sedated animals, is critical to the creation of a map of stimulus salience in the optic tectum...
  32. Hausmann L, von Campenhausen M, Endler F, Singheiser M, Wagner H. Improvements of sound localization abilities by the facial ruff of the barn owl (Tyto alba) as demonstrated by virtual ruff removal. PLoS ONE. 2009;4:e7721 pubmed publisher
    ..Here we created novel stimuli to simulate the removal of the barn owl's ruff in a virtual acoustic environment, thus creating a situation similar to passive listening in other animals, and used these stimuli in behavioral tests...
  33. Altwegg R, Roulin A, Kestenholz M, Jenni L. Demographic effects of extreme winter weather in the barn owl. Oecologia. 2006;149:44-51 pubmed
    ..The relationship between weather and survival observed during regular years is likely to underestimate the importance of climate variation for population dynamics...
  34. Seamans M, Gutiérrez R. Sources of variability in spotted owl population growth rate: testing predictions using long-term mark-recapture data. Oecologia. 2007;152:57-70 pubmed
    ..Although currently accepted conservation measures for spotted owl populations attempt to enhance survival, our results indicated that conservation measures that target R may be as successful, as long as actions do not reduce phi...
  35. Maczko K, Knudsen P, Knudsen E. Auditory and visual space maps in the cholinergic nucleus isthmi pars parvocellularis of the barn owl. J Neurosci. 2006;26:12799-806 pubmed
    ..These findings, combined with the precise pattern of projections from the Ipc to the OT, suggest that the role of the Ipc is to regulate the sensitivity of OT neurons in a space-specific manner...
  36. Pérez M, Pena J. Comparison of midbrain and thalamic space-specific neurons in barn owls. J Neurophysiol. 2006;95:783-90 pubmed
    ..Thus there are differences in the integration of frequency and ITD in the two sound-localization pathways. Thalamic neurons integrate spatial information not only within a broader frequency band but also across ITD channels...
  37. Edut S, Eilam D. Protean behavior under barn-owl attack: voles alternate between freezing and fleeing and spiny mice flee in alternating patterns. Behav Brain Res. 2004;155:207-16 pubmed
    ..Fourth, the different defensive responses accord with the motor capacities and habitat of each rodent species. All in all, these results demonstrate the dynamic and multidimensional nature of predator-prey interactions...
  38. Phalen D, Holz P, Rasmussen L, Bayley C. Fatal columbid herpesvirus-1 infections in three species of Australian birds of prey. Aust Vet J. 2011;89:193-6 pubmed publisher
    ..These findings increase the number of known species of birds of prey that are susceptible to CoHV-1 infection and indicate that rock pigeons (Columbia livia) should not be included in the diet of captive Australian birds of prey...
  39. Burfield I. The conservation status and trends of raptors and owls in Europe. Ambio. 2008;37:401-7 pubmed
    ..Given the popularity of these species with the public, and the political commitment to halt the loss of biodiversity by 2010, much more action is needed to monitor and conserve birds of prey...
  40. Karell P, Ahola K, Karstinen T, Zolei A, Brommer J. Population dynamics in a cyclic environment: consequences of cyclic food abundance on tawny owl reproduction and survival. J Anim Ecol. 2009;78:1050-62 pubmed publisher
  41. Zahar Y, Reches A, Gutfreund Y. Multisensory enhancement in the optic tectum of the barn owl: spike count and spike timing. J Neurophysiol. 2009;101:2380-94 pubmed publisher
    ..We conclude that multisensory enhancement can be manifested in better phase locking to the stimulus as well as in more spikes...
  42. Gancz A, Barker I, Lindsay R, Dibernardo A, McKeever K, Hunter B. West Nile virus outbreak in North American owls, Ontario, 2002. Emerg Infect Dis. 2004;10:2135-42 pubmed
    ..Northern native breeding range and medium-to-large body size were associated with earlier death within the outbreak period. Of the survivors, 69 (75.8 %) of 91 were seropositive for WNV...
  43. Atwal G. Dynamic plasticity in coupled avian midbrain maps. Phys Rev E Stat Nonlin Soft Matter Phys. 2004;70:061904 pubmed
    ..Finally, a critical speed of misalignment is identified, demarcating the crossover from adaptive to nonadaptive behavior...
  44. Witten I, Knudsen P, Knudsen E. A dominance hierarchy of auditory spatial cues in barn owls. PLoS ONE. 2010;5:e10396 pubmed publisher
    ..Barn owls integrate spatial information across frequency channels to localize sounds in space...
  45. Gailbreath K, Oaks J. Herpesviral inclusion body disease in owls and falcons is caused by the pigeon herpesvirus (columbid herpesvirus 1). J Wildl Dis. 2008;44:427-33 pubmed
    ..Sequences from all three sources were almost identical, and we therefore propose that the usual agent of inclusion body hepatitis in owls and falcons is columbid herpesvirus 1...
  46. Hakkarainen H, Korpimäki E, Laaksonen T, Nikula A, Suorsa P. Survival of male Tengmalm's owls increases with cover of old forest in their territory. Oecologia. 2008;155:479-86 pubmed
    ..Our results suggest that changes in habitat quality created by agriculture and forestry may have the potential to reduce adult survival, an essential component of fitness and population viability...
  47. Levey D, Duncan R, Levins C. Animal behaviour: use of dung as a tool by burrowing owls. Nature. 2004;431:39 pubmed
    ..Our controlled investigation provides an unambiguous estimate of the importance of tool use in a wild animal...
  48. Phillips D. A perceptual architecture for sound lateralization in man. Hear Res. 2008;238:124-32 pubmed
    ..The data from those studies, however, also help distinguish the two lateralization models, and favor a perceptual architecture for sound lateralization in man based on the activity of two, hemifield-tuned azimuthal channels...
  49. Kardar M, Zee A. Information optimization in coupled audio-visual cortical maps. Proc Natl Acad Sci U S A. 2002;99:15894-7 pubmed
    ..In response to prismatic glasses, the aural receptive fields shift in the compensating direction, although their shape is modified due to the costs of rewiring...
  50. Delgado M, Penteriani V, Revilla E, Nams V. The effect of phenotypic traits and external cues on natal dispersal movements. J Anim Ecol. 2010;79:620-32 pubmed publisher
  51. Spitzer M, Bala A, Takahashi T. A neuronal correlate of the precedence effect is associated with spatial selectivity in the barn owl's auditory midbrain. J Neurophysiol. 2004;92:2051-70 pubmed
    ..Asymmetric suppression reduces the ability of highly spatially selective neurons to encode the location of lagging sounds, providing a possible basis for the PE...
  52. Penteriani V, Delgado M. The dusk chorus from an owl perspective: eagle owls vocalize when their white throat badge contrasts most. PLoS ONE. 2009;4:e4960 pubmed publisher
    ..Moreover, to date, the majority of studies on this topic have focused on songbirds...
  53. Mysore S, Knudsen E. Flexible categorization of relative stimulus strength by the optic tectum. J Neurosci. 2011;31:7745-52 pubmed publisher