The Great Plain of the Koukdjuak is located in the Qikiqtaaluk Region, Nunavut within the Canadian Arctic. It is the namesake of the Koukdjuak River in western Baffin Island on the southeastern coast of Foxe Basin. It stretches from Cory Bay to Hantzsch Bay, and then inland.

Geography

The plain is about 120 mi long, 60 - 90 mi wide and has an area of 15777.98 km2. It is characterized as a broad, flat, water-logged lowland with a tidal zone that may extend as far as 15 km inland. The Plain's boundaries include raised beach ridges 25 – inland and granite outcrops to the south. Its tundra covers clay soils, limestone and shale bedrock.

Fauna

It is notable for migratory bird and wildlife (Barren-ground caribou crossing) habitat. The plain supports the largest goose colony in the world. It is a breeding ground or habitat for lesser snow geese, Canada geese, long-tailed ducks, king eider, common eider, and Atlantic brant. It is a natural habitat for shorebirds, such as the red phalarope. It is classified as an Important Bird Area, an International Biological Program designated site and a Key Habitat Site.

Conservation status