Ключевые слова: animal, april, background, beautiful, bird, blossom, blue, branch, bright, britain, british, caeruleus, closeup, color, crataegus, cute, cyanistes, decoration, decorative, environment, europe, fauna, feather, flower, forest, forestry, garden, hawthorn, life, may, maytree, monogyna, natural, nature, ornithology, oxycantha, parus, single, spring, tit, tomtit, tree, uk, urban, white, wild, wildlife, wood, woodland,