Ornis Scandinavica (Scandinavian Journal of Ornithology), Vol. 17, No. 4 (Dec., 1986), pp. 326-332 (7 pages) Suggestions and predictions of hypotheses (especially those of the "starvation hypothesis") ...
Sky High is about the birds that soar the skies, walk the land, and swim on waterways of Georgia. “Whether year-round residents or migratory species, these birds don’t just wing it. They have unique ...
Male and female blue tits are hard to distinguish for the human observer. However, in the UV-range, visible to birds, the male is much more colourful. A closer look at the monogamous mating system of ...
Using museum specimens from Mexico, Canada, and the western United States, we examined sexual dimorphism in the Wilson's Warbler (Wilsonia pusilla), a Nearctic-Neotropic migrant (Passeriformes: ...
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