One second, they’re talking about the science that inspired their new book ... concluded that since 1970, North America had lost 2.9 billion birds — a decline of 29% in 48 years.

A recent Cornell University study finds North American birds are declining in areas where they were once most abundant. Experts say this study could show that some bird-rich areas are above their ...

The Book of Genesis lays out this relationship ... In my lifetime alone, we have lost some three billion North American birds. Naming birds for their identifying characteristics instead of for ...

The only other way to glimpse these birds in North America is to ... “The long-billed curlew is North America’s most magnificent shorebird,” he writes in the book, “the master of the ...

These and other cases explored throughout our book show that almost any bird ... that the next 10 years will be decisive for North America’s bird populations. If future generations are to ...

Black swifts, Cypseloides niger, are among the most enigmatic birds in North America. Though the species ... and wrote The Coolest Bird, a book about black swifts and their generations of human ...

An alarm was sounded in 1989 when John Terborgh published his book, “Where Have All the ... a 2019 paper that reported that 30% of North American birds have perished since 1970, Hagan decided ...

North American bird populations are shrinking most rapidly in the very areas where they are still most abundant, according to a new study leveraging citizen science data for nearly 500 bird species.

Snowy owls and tropical kingbirds. Across North America, three-fourths of bird species are in decline, according to a sweeping study of avian populations published Thursday, the latest sign of a ...