It's a question visitors ask staff all the time at the Smithsonian's National Zoo's Bird House. The answer may surprise you!

Scientists checked in on species all over the country for the latest State of the Birds report. Nearly everywhere they looked, birds were struggling—including some that have been resilient in ...

After five years in which almost no chicks survived, more of the shorebirds are fledging since Alabama Audubon and volunteers ...

Bird enthusiasts have received sobering news with this year’s U.S. State of the Birds report. According to a new assessment ...

A comprehensive study of U.S. butterfly populations shows dramatic declines in most species, but Pacific Northwest ecologists ...