Ключевые слова: 2011, aged, ancient, animal, antique, biology, body, claw, congo, dinosaur, ear, envelope, environment, extinct, eye, fauna, feather, flight, habitat, head, historic, jaw, nature, paw, philately, postage, postcard, postmark, predatory, retro, seal, small, snout, species, stamp, tail, teeth, theropod, vintage, wild, wildlife, wing, zoology,