Birds--Identification Birds. siris_sil_228547 SIL BIRDS OF NORTH AMERICA EASTERN REGION : A QUICK IDENTIFICATION GUIDE TO COMMON BIRDS BY JOHN BULL ET AL ILLUSTRATED BY PIETER D PRALL Smithsonian ...

Animalia 75 percent of North America’s bird species are in decline, study says. Birds are rapidly vanishing from North America, with dramatic population losses in places that were once thought safe.

This news follows on the heels of other recent research that documented widespread losses of birds in North America. The 2025 U. S. State of the Birds report showed bird declines in almost every ...