Ключевые слова: adult, animal, babe, beak, beech, bill, bird, birdwatching, black, black woodpecker, branch, breeding, brown, cavity, cerny dryocopus, color, czech, dryocopus, dryocopus martius, eggs, europe, european, father, feather, feed, feeding, female sitting, food, forest, green, head, hole, hunger, male, martius, nature, nest, ornithology, plumage, red, sitting, spring, tree, tree trunk, trunk, wild, wildlife, winter, wood, woodpecker,