Results 91 to 100 of about 10,647,434 (247)
Post-fledging Behavior of Western Screech-Owls in Idaho
, 2016 Although common in western North America, the ecology of Western Screech-Owls (Megascops kennicottii) is poorly studied. For many birds, the post-fledging period is also poorly understood because of the difficulty of tracking newly fledged young.
Gonzalez, Alfredo +2 more
core
Ibis, EarlyView.Natal dispersal is a key ecological process influencing gene flow, population connectivity and individual fitness. In altricial birds, the transition from fledging to natal dispersal is mediated by the post‐fledging dependence period, which is often difficult to observe in elusive, forest‐dwelling species.
Elouise Mayall +5 more
wiley +1 more source
, 1999 I observed 25 juvenile ferruginous hawks on the U.S. Department of Energy\u27s Hanford Site and adjacent areas in south-central Washington in 1995 and 1996 to assess spatial and temporal requirements of juvenile ferruginous hawks and to describe flight ...
Pope, Aimee L.
core
Trans‐oceanic migration and wind utilization by Amur Falcons (Falco amurensis)
Ibis, EarlyView.The Amur Falcon Falco amurensis performs one of the world's longest raptor migrations, involving a non‐stop crossing of the Indian Ocean of approximately 2800 km. While the existence of this route is known, the mechanistic details of wind exploitation and seasonal navigation remain to be fully elucidated.
Bernd‐Ulrich Meyburg +3 more
wiley +1 more source
Ibis, EarlyView.Sympatric species are expected to use resources differently along one or more ecological dimensions. This can be complex when there is partial separation along multiple dimensions, such as where bird species exhibit similarities in habitat use and diet.
S. R. Davies +5 more
wiley +1 more source
Avian ResearchAssessing individual differences and variability in animal movement patterns is essential to improve our understanding of the evolution and ontogeny of migratory strategies. In long-distance migratory species, fledged juveniles often rely on an extremely
Giampiero Sammuri +6 more
doaj +1 more source
Status of the Golden Eagle Aquila chrysaetos in the Western Alps
Avocetta, 2017 A survey on the Golden Eagle Aquila chrysaetos in the Italian Western Alps (Liguria to Aosta Valley) was initiat ed in 1972. Since 1983, one of the authors (FB) started collecting data and since 1986 has been monitoring the whole population in the Cuneo
Paolo Fasce, Laura Fasce, Franco Bergese
doaj +1 more source
The demography of an Osprey population under natural recolonisation and translocation processes
Ibis, EarlyView.In a context of global biodiversity loss, studying the processes underlying the recolonisation—whether natural or assisted—of expanding species provides essential insights for the development of effective conservation strategies. Since the 1980s, the Osprey Pandion haliaetus has naturally recolonized mainland central and eastern France, increasing from
Marie Thalhammer +6 more
wiley +1 more source
Regulation of the Dependence Period in Booted Eagles: Effects of Nutritional Condition
BirdsThe post-fledging dependence period is a crucial stage in the development of altricial birds that may influence their future performance and fitness. This period is regulated by parental investment, in terms of food provisioning and protection, and the ...
Virginia Morandini +2 more
doaj +1 more source
A global perspective on the annual cycles of whimbrels
Ibis, EarlyView.Comparative analyses are central to understanding broad‐scale patterns in avian ecology, yet their application is often constrained by fragmented and uneven data availability. Recent advances in tracking technology have generated unprecedented insights into shorebird movements, resulting in numerous studies on single populations or flyways.
Camilo Carneiro +53 more
wiley +1 more source