The 58,000-square-kilometre area may have served as an important refuge for marine species during the last ice age.
Sloughs are important refuges for aquatic wildlife during these dry periods.
It's also a very important internationally-recognized refuge for migratory birds.
It is an important refuge for waterfowl in the winter.
The mountains were important refuges for the Utes, particularly after they acquired horses.
It is an important refuge and breeding grounds for many species of Siberian wildlife.
The nature reserve is an important refuge for several species of animals.
Deua is an important refuge for plant and animal species, many listed as threatened.
Swan Lake is an important refuge for wild birds in the area.
Surrounded by human development, Flandrau is an important refuge for local wildlife.