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

vertebrates bee eater bulgaria birds bird animals insectivore colourful eastern european eastern east bee eaters european wildlife eastern europe nature coraciiformes vertical aves perched bulgarian meropidae colour east europe insectivorous zoology twig merops bird east european vertebrate perching developed countries developed country branch european apiaster verticals meropidae europe animal europe