Environmentalists cite a population drop of more than 90 percent.
Possible ramifications loom for Rosemont Mine, Fort Huachuca.
"Encouraging developments" could mean another transplant of the wild sheep.
The northern Mexican gartersnake has joined the ranks of federally protected species.
Petition cites 110,000 square miles of potential bear habitat in four Western states.
PHOENIX —Two environmental groups on Friday dropped their lawsuit seeking to force the federal government to determine the impact of Fort Huachuca on the San Pedro River.
A national environmental group that has spent a quarter-century trying to save imperiled owls will soon call home a historic Tucson building that was named for owls.
Three organizations supported primarily by hunters are the main private financial backers of a controversial state project to reintroduce bighorn sheep to the Catalina Mountains north of Tucson, records show.
PHOENIX — Contending prior court orders have been ignored, environmental groups want a federal judge to force Fort Huachuca to finally determine how it’s impacting the San Pedro River.
State wildlife officials declined Friday to provide current information on a controversial bighorn sheep reintroduction in the Catalina Mountains north of Tucson.
A fifth bighorn sheep has died in the Catalina Mountains — the victim of a mountain lion.
A rare orchid that lives in the Santa Rita Mountains at the proposed Rosemont Mine site won’t be legally protected by the U.S. Fish and Wildlife Service.
The Forest Service laid much of the groundwork Friday for approval of the Rosemont Mine by releasing a final environmental report saying essentially that while the mine will cause negative impacts, it’s now clearly in line with nearly all environmental laws.
A rare bird that could gain federal protected status lives and in some cases breeds along three streams and creeks near the proposed Rosemont Mine site, federal reports show.
PHOENIX — Federal officials have agreed not to try to capture and relocate wolves entering Arizona from Mexico.
Opponents of the proposed Rosemont Mine have filed suit, seeking to overturn a state decision awarding a groundwater protection permit to mine owners Rosemont Copper Co.
Coronado National Forest Supervisor Jim Upchurch is walking a scheduling tightrope for the proposed Rosemont Mine.
A composite of six images shows the area proposed for Rosemont Copper's open-pit mine in the Santa Rita Mountains. The jaguar is only one controversial aspect of the proposal.
The proposed Rosemont Mine is likely to harass this country's only known wild jaguar, the U.S. Fish and Wildlife Service says. But that won't matter much, the agency adds - at least not in terms of jeopardizing the jaguar as a species or destroying its prime habitat.
A remote camera photographed this male jaguar west of the proposed Rosemont Mine site in the mountains southeast of Tucson.