Seagulls are everywhere we go in the Bay Area; swooping into Giants games, crowding runways at San Jose airport and eyeing tourists’ ice cream cones at the Ferry Building. To many, they’re a nuisance ...

Gulls are a little scary. They frighten me. I don’t mean literally, in a Hitchcockian sense. The nightmare comes in trying to sort out their identities. Skilled birders usually thrive on ID challenges ...

Every spring, tens of thousands of California gulls, some from the Bay Area, leave their home on the coast for a lengthy flight over the Sierra Nevada to summer at Mono Lake. There, the next ...

Nature is full of surprises, something pretty much any biologist worth their salt will tell you. Watch the natural world for long enough, and you’ll spot some truly confounding behavior, especially ...