Interjurisdictional Marine Park in the San Jorge Gulf. The UNESCO Biosphere Reserve also has included the breeding range of the Chubut steamer duck in its program. Programs to keep oil tankers and other large ships that may cause harm to the Chubut steamer duck out of the ducks range along with programs to minimize human disturbance and coastal development of breeding grounds have been proposed. References Chubut steamer duck Birds of Patagonia Endemic birds of Argentina Flightless birds Chubut steamer duck