Despite its tiny stature, the smallest bird native to North America can survive cold nights in the Rocky Mountains, and some ...

A concerning discovery from a sweeping study of bird behavior across North America indicates a critical mismatch in our ...

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.

As the climate crisis worsens, so does pressure on wildlife. The number of birds in North America has declined by 3 billion in the last 50 years. Brooke Bateman, director of climate science at the ...

Many North Carolinians will also spot flocks of American Robins, the most numerous bird in North America (and a permanent resident of North Carolina). “American Robins do flock in large numbers ...

North American migratory birds are becoming smaller as the planet warms due to climate change, a new study finds. Researchers from the University of California, Los Angeles (UCLA) examined more ...

This change, which will affect some 150 North American birds, has been a long time coming. Ornithologists and amateur birders alike have long wrestled with the historical nature of bird names ...

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.

North America's grassland birds are in trouble 50 years after adoption of the Endangered Species Act as habitat loss, land degradation and climate change threaten what remains of a once-vast ecosystem ...

As it turns out, it’s the largest bird in North America with a wingspan of 9.5 feet, and can fly over 200 miles in a single day. They’re carrion feeders, meaning they feed solely on animal ...

Now in its 15th year, this photo competition brings us the beauty of the avian world — while focusing on the tragic fact that two-thirds of North American birds are threatened by extinction.

His April 21 sighting is the first time the bird has been seen in the U.S, bird experts said. It's also the first blue rock-thrush sighting in North America since 1997, according to the American ...