Two studies of California bird populations show how shifting environments can rewrite animals’ genomes — for better or worse.

Ongoing research finds that trashcans can feed and boost crow populations, which comes with a potentially deadly cost for some other bird species.

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

Will mountain goats be able to shed their thick winter coats in time for earlier warm seasons? The Mountain Goat Molt Project wants your help to find out.