Original sentence: Sevilleta National Wildlife Refuge has now become a living outdoor laboratory which the land will not be encroached by predators of land or the people.Therefore this land is preserved in its natural state and is not for use by the general public however, you may call ahead for a guided tour
Edited sentence: Limited hunting of doves and waterfowl is permitted.Most, but not all, of the refuge is off limits to the public and its development is left to nature.The Sevilleta National Wildlife Refuge has some areas set aside for scientific research, and permits to conduct research are available.The endangered Southwestern Willow Flycatcher migrates to the refuge from Mexico and Central America from May to September.Use such as hiking and photography are permitted in some areas, but picnicking and camping are not permitted anywhere in the refuge