A federal land agency has plans to cut down an enormous, century-old cottonwood tree at the popular San Pedro House near Sierra Vista because ... be emailed to blm_az_tfoweb@blm.gov by July ...

Birdwatchers can meet at the San Pedro House located at 9800 E. Highway 90 in Sierra Vista at 7 a.m. The walk lasts between two to three hours and anywhere from 30 to 60 different species of birds ...

TUCSON, Ariz.— A new study by University of Arizona scientists finds that a water pumping scheme to serve nearly 7,000 new homes in Sierra Vista, Ariz., will significantly decrease the San Pedro’s ...

SIERRA VISTA — Sheri ... has been banding on the San Pedro River since 1996 with her husband and colleague, Tom Wood. On that April afternoon at the San Pedro House visitor center, they ...