Migratory goose (Chen migratorius)
Habitat: freshwater bodies in North America; northern islands in the Arctic Ocean
Along with the ratites and gamebirds, the ducks and their relatives are some of the most ancient on Earth: their first representatives appeared at the end of the Mesozoic, and survived the massive cataclysm end of Cretaceous, which destroyed the dinosaurs and other reptiles.
In Neocene, this situation repeated itself: ducks and their relatives survived anthropogenic pressures, and climate fluctuations, and other disasters in the world, and again they restored their numbers. Among them there are now exotic species (especially on various islands), but most of them have kept their typical appearance and behavior, as did the migratory goose.
This goose is a descendant of the Holocene Ross’ goose (Chen rossii). It is a relatively small goose, about 60 cm in length, with white feathers, except for the wings, which are black. Its