Ключевые слова: animal, avian, bark, beak, beautiful, beauty, bill, biodiversity, bird, birding, birdwatching, bright, cavity, colorful, colourful, cute, detail, dutch, ecology, ecotourism, fall, fauna, feather, feathers, feed, female, forest, great, hole, holland, hylatamus, impressive, major, male, natural, nature, nest, nester, ornithology, plumage, red, small, songbird, spot, spring, springtime, striking, stripe, study, summer, tree, watching, wild, wildlife, wings, wood, woodland, woodpecker,