Flock of Eurasian Tree Sparrows Perched on Dried Twig in Farmland Under Summer Sunlight, Birds Sit together, jump, preen and scratch feathers

sparrows eurasian tree sparrow passer montanus flock many perch twig rotten farmland birds family group sit relax fly rest together groom preen feather plumage brown eurasian chestnut crown black patch white cheek breed south korea farm green bush leaf dried animal wildlife cute common bird branch ornithology passer songbird wildlife closeup animal ecosystem branches sitting perched summertime sunny