The U.S. Fish and Wildlife Service does studies to find out how these animals affect habitat and other species. Biologists adjust the collar on this nutria prior to releasing him.
This is a status assessment of the double-crested cormorant in North America as of 2001. It includes general information on the bird, biological information and area-specific population information for throughout North America.
A multidisciplinary education guide for grades 2-12 (with sections on "How to Adapt" for Preschool - 1st grade, home schools, youth groups, and nature centers)
