As humans have transformed the natural environment, abundant birds have suffered the most—while some rare species have ...

Whether gliding over the water with its tremendous wings outspread, diving at a 90-degree angle to snatch up fish, or ...

The only gull nesting along most of the Pacific Coast from Washington to Baja, this large species is common at all seasons. An opportunist, it often nests around colonies of other seabirds, where it ...