North America's largest bird almost disappeared forever, but thanks to conservation efforts and the bird's resilience, the ...

They eat, drink and mate while flying, only stopping ... in North America Four types of swift birds nest in North America.

An unusually long-tailed black-and-white corvid with a black bill ... Flight: relatively slow, with steady, rowing wingbeats, but the birds are easily able to quickly change direction in flight.

Prominent black crescent framing lower edge of auricular. On perched bird, wing patch shows only as a thin white line along the leading edge of the folded wing. Adult male: grayish or grayish ...