3 mountain lions killed after feeding on human remains
Authorities said the lions were determined to be a danger because they should no fear of officers.
Video shows groundwater pumping for border wall near Quitobaquito Springs
Conservationists worry pumping will harm a rare and critical desert water source.
Poachers swarm vaquita refuge ‘like never before’
A conservationist said the number of poachers in the endangered porpoise's habitat — casting nets for a fish called the totoaba — is unprecedented.
Marana's Tortolita Preserve protected from development, for now
The town will continue making lease payments on the 2,400-acre wildlife preserve.
Revived stretch of Santa Cruz River provides oasis for wildlife
Dragonflies, toads and birds are just some of the wildlife showing up since the project started releasing treated wastewater in June.
Border wall construction continues across sensitive lands in Arizona
Contractors are working on new border wall east of Douglas, which will cross the San Bernardino National Wildlife Refuge.
Mount Lemmon highway reopened after wildfire
Officials say the "Molino Fire" was human-caused.
Photo sparks increased concern over fishing in vaquita refuge
Fishermen say they returned to the small, endangered porpoise's habitat out of desperation.
Javelina bite could lead to fine and rabies shots for Tucson woman
The unidentified resident was a "habitual" wildlife feeder, says Arizona Game and Fish.
Groups: Saving Mexican gray wolves requires new approach
Management of the endangered predators in the Southwest requires some rethinking, environmental groups say.
Study finds plastic in stomachs of 20% of Mexican fish
Microplastics are created when plastic breaks down in ocean water.
Bald eagle numbers dip in Arizona despite more breeding area
While counts decreased over the previous year, an official said the expanded breeding areas point to a strong population.
Animal-masked artists protest construction of border wall
A group of Tucson artists staged an art performance near Lukeville last Sunday.
Without government aid, fishermen in Mexico return to endangered porpoise habitat
Fishermen in the Sea of Cortez say they haven't received compensation like in previous years, so they're returning to the vaquita marina's waters for shrimp season.
31 bison from Grand Canyon sent to Oklahoma tribe
Park officials say the hundreds of bison at the park are harming water sources and the landscape.
