Ключевые слова: acrocephalus palustris, animal, baby bird, bird, birdhouse, birdnest, brood, chicks, childhood, clutch, common cuckoo, cuculidae, cuculiformes, cuculus canorus, eggs, fauna, fledgling, greenhorn, habitat, hatching, life, marsh warbler, natural, nature, nest, nesting, nestling, reproduction, see the light, sylviidae, wild, wildlife,