Ключевые слова: agressive, approach, arctic, auk, beak, bill, bird, defend, england, farne islands, fish, flight, fly, flying, great britain, hovering, migratory, motion, northumberland, ocean, picktarnie, plumage, protecting, sand eel, sea swallow, seabird, season, spread, sterna, sterna paradisaea, tail, tarrock, tern, united kingdom, white, wild, wildlife, wings,