 Tetlin National Wildlife Refuge was established in 1980 to conserve and manage habitat critical to migratory and resident wildlife for benefit of present and future generations.The Refuge includes snowcapped mountains and glacier-fed rivers, forests and treeless tundra, and an abundance of wetlands.Tetlin Wildlife Refuge produces up to 1,000,000 ducklings a year, and it is home to 186 or more species of birds.