Fast, focused and fierce, the Cooper's hawk is built for the chase. Learn what a Cooper's hawk looks like and sounds like and ...

When most people think of bird nests, they picture a tea-cup-sized structure built of grass and twigs. Many nests, in fact, do resemble grassy cups, but the full range of bird nests embraces ...

Bob Rosenfield holds a pair of Cooper’s hawks in a city park in Victoria, Canada. The female, in the foreground, is a third again as large as her mate. Eric Wagner Bob Rosenfield stares up into the ...