the eurasian coot fulica atra, a bird wintering in sukhoi liman swims in the water, black sea

coot fulica atra bird wintering sukhoi water black sea rallidae gruiformes aves chordata animalia european wildlife ornithology nature lake wetland aquatic plumage feathers beak migration behavior feeding nesting vocalizations flock ecology anatidae animal avifauna birding duck ducks float fly moving coast seabird swim wild wing wings winter