Learn how to identify a male and female tree swallow. Find out about their nests, song, range map and what tree swallows eat.

How you can help If you spot a bird nest. Say something ... (Think back to how crashing bald eagle populations helped us identify DDT as a threat to animals — including us!) ...

First, birds tend to nest higher up and further out on the branches. They'll also often leave behind leaves and only use ...

An advertisement for the 1994 World Cup, fast food wrappers, COVID-19 masks—what birds used to build their nests reflects a ...

Contrary to its name, the common coot is no ordinary bird. Contrary to its name, the common coot is no ordinary bird. These plump, black-and-white birds have made themselves at home in the canals ...

The concept of constructing a self-supporting structure made of rods—without the use of nails, ropes, or glue—dates back to ...