Ключевые слова: abstract, action, animal, ardea, background, beak, beautiful, bill, biology, bird, branch, carrying, china, cinerea, closeup, ecological, ecology, education, environment, family, fauna, feather, feed, forest, gray, great, green, grey, heron, learning, legs, love, natural, nature, nest, nidification, outdoor, park, protection, scene, stay, tall, tree, twigs, white, wild, wildlife, wing, young,