Great tit bird chirping while perched on a tree branch, blurry defocused background

great tit titmouse passerine parus beak bird chirp aves birdwatching perching tomtit songbird twig perched ornithology wildlife tit biodiversity branch animal migratory nature ecology fauna small tiny tree fat yellow environment cheeping wood wilderness sitting habitat forest sat natural major beautiful ecosystem european background blur behavior wild jungle tropical colorful