But you may hear their distinctive calls after dark. Hear what these birds sound like. The western owl makes an accelerating series of short whistles, or a very staccato hooting song, like a ...

But human population explosion has reduced the charismatic western burrowing owl's breeding populations by more than 60 percent, and counting. Early accounts of the owl in California described it as ...

The western screech owl’s bill is blackish or dark gray at ... The male utters this sound when advertising a nest site, courting, and arriving at the nest with food. Both sexes sing each song ...

documents later obtained by environmental groups revealed the agency had suppressed its own biologist recommendations that the owl be considered for endangered or threatened status. The Center ...