Seen from its back moving forward on the lake, Great Crested Grebe Podiceps cristatus Bueng Boraphet Lake, Nakhon Sawan, Thailand

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