bar-headed geese

waterfowl zoo bar headed habitat geesebird geese animal nature bar-headed asia goose wildlife anser waterbird fowl water wild indicus asian natural birds beak true head grey fauna feather fly streifengans fowls barheaded germany india duck lake illustration one river beautiful white aves green eye wing meadow migrate birdwatching wildfowl avian plumage migration indian poultry ornithological gees ornithology bird