European Bee-eater (Merops apiaster) pair perched on twig, Bulgaria

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