August 08, 2017 — Why do male kestrels lose out to females for the best wintering sites? It goes back to their roles as breadwinners during the breeding season.
The Catbird Has a Simple Trick to Outsmart Brood Parasites
By Kenn Kaufman
May 24, 2017 — When it comes to protecting its nest from the Brown-headed Cowbird and other nest invaders, the quirky Gray Catbird is especially talented.
April 27, 2017 — By expanding its breeding range in an unprecedented way, the adaptable swallow continues its spread—while baffling bird experts along the way.
Even John James Audubon Couldn't Tell the Difference Between Scaup Ducks
By Kenn Kaufman
February 22, 2017 — Audubon and his rival, Alexander Wilson, disagreed about the habits of scaup ducks. But that's because they were describing two different birds.