ELIZABETH, N.J. — After rebounding in recent decades due to conservation efforts, the number of once-imperiled peregrine falcons in the U.S. has been dropping again in some places due to the bird flu ...

The Cairngorms National Park's peregrine falcon population may have halved over the last two decades, according to new ...

Wildlife officials are intensifying efforts to restore the peregrine falcon population in Massachusetts by banding chicks in downtown Boston. The falcon species is listed as one of special concern ...

Tom Cade, a Cornell professor who spent decades advocating for the endangered peregrine falcon, died in Boise, Idaho on Feb. 6. He was 91. Cade is survived by his wife, Renetta Mae Bennewater, and ...

After rebounding in recent decades thanks to conservation efforts, the number of once-imperiled peregrine falcons in the U.S. dropped again in some places because of the bird flu that decimated other ...

ELIZABETH, N.J. — After rebounding in recent decades due to conservation efforts, the number of once-imperiled peregrine falcons in the U.S. has been dropping again in some places due to the bird flu ...