Delayed plumage maturation in males is relatively common among North American passerines, but the Tree Swallow (Tachycineta bicolor) is one of few species in which 1-yr-old females have a distinct ...

The Auk: Ornithological Advances aims to advance fundamental scientific knowledge by increasing the basic knowledge of bird species, both living and extinct, and the knowledge of broad biological ...

SAUKVILLE – Prairies are rich wildlife habitats. They are so bountiful, in fact, sometimes they even host species that evolved to breed elsewhere. For proof we need only look at two restored ...