Unfortunately chimney swifts are a species of conservation concern ... buildings and many with chimneys have caps on them so a swift bird cannot enter to nest. There are a number of efforts ...

A 68-million-year-old skull fossil found in Antarctica has revealed the oldest known modern bird, which was likely related to ...

Never again would man witness the magnificent spring and fall migratory flights of this swift and graceful bird. Attempts to save the species by breeding the surviving captive birds were not ...

American white pelican and Vaux’s swift. Species of concern include 54% of grassland birds, 53% of shorebirds and 48% of seabirds. Last issued in 2008, “Birds of Conservation Concern 2021” is meant to ...