Global ETD Search
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Showing 1 to 3 of 3 for “"feather molt"”.
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The Effects of Limited Winter Food Availability on the Population Dynamics, Energy Reserves, and Feather Molt of the Swamp Sparrow
… that food abundance limits the timing of molt in the wild (Chapter III), an unprecedented finding. Because molt, migration, and breeding typically do not overlap, early molt might lead to earlier migration and breeding. Therefore, we hypothesize that timing of molt is another mechanism by …
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Anting Behavior in Birds: Ant Selection and Effect of ant Chemistry on Feather Ectoparasites
… occurs when songbirds apply ants to their feathers. During anting displays, a bird draws its wings forward in front of the head and swings its tail around to the far right or left. Both wing and tail feathers are then rubbed with ants held in the bird's beak. The potential associations …
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Premigratory movements of a long-distance migratory species: the Wood Thrush (Hylocichla mustelina)
… breeding, adult Wood Thrushes underwent molt that extended from late July to early October. Flight-feather molt lasted on average 38 days and may have impaired flight efficiency in some individuals. Of 30 observed adults, 15 molted in the same area where they nested, and 15 moved 545 to …