Snakes, frogs, eagles and owls thrive next to the planes at Bay Area airports.
Do these large, wild, fearsome fish predators prefer our built-up shoreline bristling with apartments, cargo ships, and manufacturing equipment? And what does it mean if they do?
Coyotes have returned to San Francisco. Now, for the first time, ecologists are gaining insight into how and where these urban predators live.
San Francisco white-crowned sparrows have their own dialects. As the city gets louder, those dialects are disappearing.