western bluebird juvenile perched on metal pole

western bluebird juvenile perched metal pole animal animals wild avian background bay area california beak beautiful bird birdwatching blue closeup cute day environment fauna feather feathers green insectivorous looking camera natural nature no people one ornithology outdoor outdoors passeriformes passerine perching plumage sialia mexicana small song birds songbird spotted streaking thrush wildlife wing wings young pleasanton ridge alameda county usa