Ключевые слова: animal, april, beak, bird, birdwatching, branch, cold, common, common siskin, eurasian siskin, europe, european siskin, eye, feathers, finch, finland, forest, green, male, nature, ornithology, perched, siskin, snow, snowfall, snowflake, spinus spinus, spring, white, wild, wildlife, winter, yellow,