eurasian nuthatch, sitta europaea. the bird is nimbly climbing the tree

eurasian nuthatch sitta europaea bird park tree nuts eat plumage birding ravenous tail plume forest eye wing beak wildlife head ornithology nature avian wild feather claw animal breeding bill vogel closeup view horizontal format brown songbird fauna grey twig autumn blue europa feed nut passerine woodpecker ukraine wilderness animals birds