Ключевые слова: amorous, animal, beach, biodiversity, biological, biology, cone seal, conservation, conserve, couple, courtship, cupid, dune, ecological, ecology, endothermic, evolution, gray seal, hair, hairy, halichoerus grypus, helgoland, hirsute, kingdom, life, live, love, mammalogy, mammals, marine, marine mammals, national park mud flats, natural, nature, outdoor, predator, prey, sand, sea mammal, sows creatures, uk, united, vertebrata, vertebrate, warmblooded, wildlife,