Some birds thrive by being ‘jacks of all trades’ and exploiting a variety of food sources in various habitats. In contrast, many are remarkably specialized, with unique anatomy and foraging techniques ...

This valuable work advances our understanding of the foraging behaviour of aerial insectivorous birds. Its major strength is the large volume of tracking data and the accuracy of those data. However, ...

Winter and house wrens further distinguished by differences in song, call, timing of migration, microhabitat preferences, and foraging behavior ... Migration: most birds in North America migratory.

as most birds can feed on snow and sleet cover. However, doing so requires them to expend significant energy in liquefaction — energies that could be spent elsewhere, like food foraging ...

This important study enhances our understanding of the foraging behaviour of aerial insectivorous birds. Using solid methodology, the authors have collected extensive data on bird movements and prey ...