mink. Besides nest predators, flying steamer ducks are threatened only by competition for resources. Both the males and females are notoriously pugnacious and have been described as intensely territorial and often unnecessarily aggressive towards other individuals and other species, regardless of whether or not that species poses a threat to or lives in competition with the flying steamer ducks. Flying steamer ducks have been observed to target entire flocks of Silvery grebes and Hooded grebes and have also been observed to kill Red shovelers for seemingly no apparent reason. Male flying steamer ducks attack by grabbing their opponents by the neck and hitting their opponents on the head, neck or body using their carpal wing knobs. Status The flying steamer ducks are not an endangered species and are categorized as a Least Concern species, however increased nest predation of flightless steamer duck nests by American minks was reported to be a potential future threat to duck populations in Tierra del Fuego wildlife areas. References flying steamer duck Birds of Patagonia Birds of the Falkland Islands Birds of islands of the Atlantic Ocean flying steamer duck flying steamer duck Birds of subantarctic islands