redwing (turdus iliacus) perched on a tree branch showing its notable red flank or underwing and white eyebrow

adult animal avian beak bird watching birdwatching blue branch brown closeup color day environment europe eyebrow fauna feather finland flank habitat nature ornithology outdoor perched plumage red redwing season sky spring stripe sunny thrush tree turdus iliacus twig underwing white wild wildlife yellow showing notable eye clear background park wood natural forest sitting bud