In the U.S. 42 species of birds have low and steeply declining populations that put them on the brink of disaster, scientists ...

U.S. bird populations are experiencing alarming declines due to factors such as habitat loss and climate change, according to ...

U.S. bird populations face alarming declines due to habitat loss and climate change, with 112 species reaching a 'tipping point,' including 42 with dangerously low numbers. While species like the bald ...