A group of bright pink Chilean flamingo drink water and preen their feathers in a lake

chilean flamingo phoenicopterus chilensis flamingos phoenicopteridae flamingo iucn red list wading bird edinbugh zoo iucn preen preening birds animal behaviour flocking flock conservation flamboyance wader plumage near threatened aves avian ethology ornithology long neck bird pink wading feathered animal gathering endangered gregarious species omnivore feathers cleaning beautiful milling peach body condition colourful pale down groom portrait feather bill clean