two house sparrows and red finch bird on a metal pole

animal animals avian background backyard beak beaks bird birds birdwatching branch brown browns close closeup common conservation day domesticus ecology environment fauna feather feathers feeder fence finch finches house isolated melodious metal mouth natural nature nopeople open ornithology outdoor outdoors outside passer passerine pennsylvania perch perched plumage pole red season seasonal seasons seed seeds songbird sparrows species spring springtime standing summer summertime sun sunny sunshine tree trees two vertebrate watching wild wildlife wood wooden zoology