“That’s a wake-up call for us in terms of understanding the extent of damage that we’re having on the natural world.” A 2019 study sounded the alarm on declining North American bird numbers, finding ...

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

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.

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