Birds

This month’s best new environmental books provide a healthy dose of hope while also tackling tough topics like pollution, extinction and trauma.

How a study of so-called “trash birds” revealed conservation clues for urban species.

An outbreak has killed 20 condors in the Southwest, putting wildlife conservationists on high alert.

As new technologies supercharge the field of bioacoustics, researchers can better listen to environmental changes — and use the information to guide conservation efforts.

A new book looks at efforts to recover dwindling populations and what more is needed.

Conservationists racing to save one of Hawai‘i’s last honeycreeper species get creative, allowing birds to choose their own mates.

New research shows that these ecosystem engineers can be an “ally in stopping the decline of biodiversity.”

We’ve got the word on an important new treaty, a victory against ag-gag laws, and two new threats to the massive Andean condor.

Can we help species adapt to the evolving threat of compound climate extremes?

As one of the world’s most endangered birds returns to its ancestral skies, partners work to eliminate a persistent threat on the ground.