As wild burro populations grow, they're putting native vegetation at risk, a new study shows, including the saguaro cactus.

A recent study from the Arizona Game and Fish Department found that an invasive species of burros is threatening the Sonoran ...

Some biologists worry about the impact burros could have on Arizona's desert ecosystem from eating larger plants relied upon ...

A proposal to relocate dozens of the wild horses that roam around the Salt River is stirring controversy among Scottsdale residents. Horse advocates, including Mayor Lisa Borowsky, are backing the ...