The list of at-risk species includes the lesser long-nosed bat.
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The Chiricahua leopard frog is one of nine endangered or threatened species native to the Southern Arizona area.
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…
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 team formed to help the endangered jaguar survive in Arizona and New Mexico has ground to a standstill.