north america, calliope hummingbird selasphorus calliope

action animal avian beak beautiful bird birding birds birdwatching calliope colorful detailed ecuador eyes fauna feather feathers feed flight flora flower fly flying green hovering humming hummingbird hummingbirds idaho isolated migratory mountains natural nature nectar ornithology photography pollination rocky ruby scenery selasphorus small species trochilidae tropical watching wild wildlife wing wings