 Endangered species numbers are few and their presence is always marked with special interest.The arctic peregrine falcon is an occasional visitor, and thanks to the refuge's three-year bald eagle reintroduction project, bald eagle sightings are common.The threatened Louisiana black bear is rarely sighted moving through the area, but is expected to reestablish as the Tensas River bear population to the north and the Atchafalaya River population to the south increase.