While researching a topic, a student has taken the following notes:
- The United States has designated more than 500 areas National Wildlife Refuges (NWRs).
- Some NWRs were established specifically to protect endangered species.
- The St. Johns NWR is a 6,255-acre area in Florida, on the Atlantic coast.
- It was established to protect the endangered dusky seaside sparrow.
- The Bitter Creek NWR is a 14,054-acre area in California, on the Pacific coast.
- It was established to protect the endangered California condor.