Dark-bellied Cinclodes bird

darkbellied cinclodes bird shore river stream coastal rocky brown grey small long beak wings tail flight plumage feathers ground feeding insectivore worms crustaceans algae aquatic habitat shoreline mud sand stones nesting eggs chicks vocalization call song territorial behavior agile alert foraging behavior camouflage stealth migration wetland conservation wildlife birdwatching nature observation ecosystem biodiversity survival freshwater coastal areas perching stealthy alertness bird photography riverbank habitat study