an sarus crane ( grus antigone) is a nonmigratory bird , taken in keoladeo national park

sarus crane grus antigone leg bill beak bird long neck plumage wetland crowned nonmigratorym birdwatching keoladeo national park bharatpur sanctuary threatened wildlife red wing white birds walking large conservation avian feather crown sandhill endangered ornithology wild isolated preservation grey behavior fresh water aviary head ghana wetlands rajasthan tourism pink algae nonmigratory