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Site near Tucson is only place in U.S. or Canada where jaguar, ocelot, puma and bobcat have all been photographed.  

  • LAURAN NEERGAARD AP Medical Writer

"Gene drives" would change genetics of insects, animals or plants faster than nature can.

  • Mamta Popat / Arizona Daily Star 2004

The list of at-risk species includes the lesser long-nosed bat.

  • Max Becherer / Arizona Daily Star 2004

The Chiricahua leopard frog is one of nine endangered or threatened species native to the Southern Arizona area.

  • David Sanders / Arizona Daily Star

Fisheries biologist Dennis Stone with the US Fish and Wildlife Service, throws out a net intended for the endangered humpback chub fish on a s…

  • David Sanders / Arizona Daily Star

Fisheries biologist Dennis Stone walks in the "Upper Atomizer" portion of the Little Colorado River in the Grand Canyon, Tuesday, April 27, 20…


An endangered Mount Graham red squirrel.

  • The Associated Press The Associated Press

A Tucson-based environmental group plans to distribute 50,000 free condoms across the U.S. through the holiday season as part of a campaign ai…

  • McClatchy-Tribune

One of the world's tiniest lizards has been discovered by keen-eyed researchers in Madagascar.

  • By James S. Wood Arizona Daily Star

About 80 Girl Scouts joined forces Saturday with a local homeowners association and several environmental groups to clear giant reed plants an…

  • Photos by James S. Wood / Arizona Daily Star





  • By Brian J. Pedersen Arizona Daily Star

State wildlife officials are investigating the shooting death of a prairie dog east of Sonoita last week.

The feds got an earful this weekend from opponents of the proposed Rosemont Mine — and it appears that they are listening.

The following letters are in response to the Oct. 18 article "Jaguar team ceases work amid disputes, big cat's death."

  • By Tony Davis Arizona Daily Star

They came, a federal official listened, but did they conquer?


PRESCOTT — U.S. Geological Survey researchers plan to study how changes in the flow of the middle and upper Verde River might affect plant and…