Ключевые слова: algae, august, baird sandpiper, bairds sandpiper, beak, brown, calidris, calidris bairdii, charadriiformes, consider, edging, kazan, legs, long legs, look, look for food, ornithology, plumage, river bird, riverbank, russia, sandpiper, sandpit bird, scolopacidae, silt, small, small bird, snipe, summer, walk, walk along the riverbank, water, wildlife,