Analysis of nearly 500 bird species across North America has found that three-quarters are declining across their ranges, ...

Birds are rapidly vanishing from North America, with dramatic population losses in places that were once thought safe.

A study published in Science reveals that North American bird populations are declining most severely in areas where they ...

The Mississippi Flyway sounds like an area of the sky managed by the FAA, but this heavily trafficked route is more often ...

North American bird populations are plummeting, especially in drylands, grasslands and the Arctic where they have historically been most abundant, new research has found.

A 2019 study sounded the alarm on declining North American bird numbers, finding the region lost nearly 3 billion birds since 1970. “This new analysis helps us turn that alarm into action by ...

Ornithologist Bruce Beehler tracks down what he calls the “Magnificent Seven,” a charismatic group of migratory birds, in his ...

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.

A study reviewing 50 years of scientific literature shows that familiar, visually appealing avians are the subject of three ...