Great Crested Grebe Podiceps cristatus seen facing to the right as it is preening its right wing in Bueng Boraphet Lake, Nakhon Sawan, Thailand

great crested grebe preening mating display waterbirds podicipedidae podiceps cristatus moulting migratory podiceps plumage excellent swimmer ripples wintering bird footage migratory animals migration wildlife freshwater lakes ornithology forage p nigricollis breeding winter birds in thailand conservation freshwater marsh birds fish prey underwater largest feathers podicipediformes feather wings bird watching lake waves boraphet water wild nature winter bueng boraphet national parks vegetated areas nakhon sawan thailand foliage gleaning elaborate tropical