Photos: Urban wildlife

Brian V. Brown, head of the Natural History Museum of Los Angeles County’s Entomology Department, examines bugs in an outdoor trap at the museum.

Brian V. Brown, head of the Natural History Museum of Los Angeles County’s Entomology Department, studies bugs at the museum.

A snail on a 510-million-year-old rock at the Los Angeles County Museum of Natural History.

Jars hold snake specimens at the Los Angeles County Museum of Natural History.

Herpetologist Greg Pauly holds a king snake at the Los Angeles County Museum of Natural History.