European Bee-eater (Merops apiaster) pair perched on branch, facing each other, Bulgaria

vertebrates bee eater horizontals bulgaria birds bird animals pairs insectivore pair colourful eastern european eastern east bee eaters european horizontal wildlife eastern europe nature couple coraciiformes aves bulgarian meropidae colour east europe insectivorous zoology merops breeding bird east european vertebrate developed countries branch developed country european apiaster meropidae europe couples animal europe