western scrub-jay (aphelocoma californica) in golden gate park, san francisco, commonly found in western north america

western scrubjay aphelocoma californica scrub jay bird golden gate park francisco california north america blue wildlife ornithology nature animal forest birdwatching plumage feathers perched songbird natural habitat urban trees branches insects fruits seeds foraging ecosystem local fauna avian field guide backyard species american beautiful perching feathered bioregion commonly found eats photographed