Great Crested Grebe Podiceps cristatus seen from its back on the lake as it preens and shakes its body creating ripples as it goes to the left, Bueng Boraphet Lake, Nakhon Sawan, Thailand

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