Ключевые слова: beak, bill, bird, birdie, blue, breast, brown, chick, claw, egg, endothermic, eye, feather, feed, fledgling, flight, fly, forest, fowl, freedom, game, green, laying, leg, mandible, mountain, nature, nest, park, peck, pine, plumage, plume, poultry, quill, refuge, sanctuary, seed, snout, tail, tan, thigh, tree, vertebrate, white, wild, wilderness, wing, wood, yellow,