Ключевые слова: adult, animal, aves, avian, beak, beautiful, bill, bird, birdwatching, black, blue, breeding, coast, colony, common, fauna, feather, feathers, funny, grey, habitat, hirundo, hunter, kristiansand, nature, norway, norwegian, ornithology, outdoors, parent, plumage, pond, posture, protect, red, reserve, sea, shore, stand, sterna, summer, tern, terneviga, territorial, water, wetland, white, wild, wildlife, wings,