Ключевые слова: adult, animal, avian, background, beak, beautiful, beauty, bird, birds, birdwatching, blue, branch, bright, closeup, color, colorful, common crossbill, crossbill, curvirostra, eyes, feathers, forest, fringillidae, green, loxia, loxia curvirostra, male, male crossbill, mountain, natural, nature, orange, ornithology, outdoor, passerine, perched, red, red crossbill, retezat mountains, romania, sitting, sky, song, songbird, spruce tree, summer, tree, wild, wildlife, wings,