Results 11 to 20 of about 195,308 (340)
Nature, 1874 I HAVE waited for some time to see if anyone would ask Prof. Newton or Mr. Tegetmeier, on what evidence the latter gentleman has been led to “declare that knowledge of landmarks obtained by sight, and sight only, is the sense which directs these birds,” viz., carrier-pigeons. (See NATURE, vol. x. p. 416.) As no one has asked this question, I am obliged
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Age-dependent differences in iris colouration of passerines during autumn migration in Central Europe [PDF]
PeerJ, 2020 Avian eye colour changes with age, but many aspects of this transition are still insufficiently understood. We examined if an individual’s sex, age, species and body condition are related to the iris colour in common migratory passerines during their ...
Michał Polakowski +3 more
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Climate in Africa sequentially shapes spring passage of Willow Warbler Phylloscopus trochilus across the Baltic coast [PDF]
PeerJ, 2022 Background Many migrant birds have been returning to Europe earlier in spring since the 1980s. This has been attributed mostly to an earlier onset of spring in Europe, but we found the timing of Willow Warblers’ passage to be influenced by climate ...
Magdalena Remisiewicz, Les G. Underhill
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The European Zoological Journal, 2023 Many migrant European birds have been departing their breeding grounds earlier in recent decades in response to rising temperatures from climate change.
A. Pinszke, M. Remisiewicz
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BMC Zoology, 2021 Background Populations of long-distance migratory birds experience different environments and are consequently exposed to different parasites throughout their annual cycles.
Steffen Hahn +7 more
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Animals, 2023 Many studies have linked changes in avian phenology in Europe to the North Atlantic Oscillation (NAO), which serves as a proxy for conditions in western Europe.
Ignacy Gołębiewski +1 more
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Movement Ecology, 2023 Background To understand the ecology of long-distance migrant bird species, it is necessary to study their full annual cycle, including migratory routes and stopovers.
Yann Rime +8 more
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Short- and long-distance avian migrants differ in exercise endurance but not aerobic capacity
BMC Zoology, 2022 Background Migratory birds differ markedly in their migration strategies, particularly those performing short- versus long-distance migrations. In preparation for migration, all birds undergo physiological and morphological modifications including ...
Steffen Hahn +6 more
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Ecology and Evolution, 2021 How blood parasite infections influence the migration of hosts remains a lively debated issue as past studies found negative, positive, or no response to infections.
Tamara Emmenegger +6 more
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