Ключевые слова: air, animal, attic, background, bat, bats, black, bright, brown, building, closeup, common, cut, dark, darkness, ears, echolocate, echolocation, europe, european, flight, fly, flying, fur, halloween, insectivore, insectivorous, isolated, life, mammal, mid, myotis, natterer, nattereri, natterers, nature, netherlands, night, nocturnal, one, out, portrait, predator, sonar, urban, vampire, white, wildlife, wings,