Vertebrates would have to evolve 10,000 times faster than they ever have to keep up with the pace of change predicted for their climatic niches in the next century, says a University of Arizona researcher.
The proposed Rosemont Mine has gained a preliminary thumbs-up from the U.S. Fish and Wlidlife Service, with a new draft biological opinion saying that the mine isn’t likely to jeopardize the existence of any of nine endangered species including the jaguar or destroy jaguar critical habitat.
Conservation groups have sued to restore endangered status protection for small owls found in southern Arizona.
The saguaro cactus - a tall, handsome, enduring symbol of the Sonoran Desert - is proving to be an upwardly mobile species. In terms of elevation, that is.
This saguaro grows under an oak tree "nurse plant" in a woodland area at 4,500 feet - well above the typical altitude for saguaros.
A Sicilian Buttercup chick, left, and a Delaware variety at the Arizona Feeds Country Store at 2701 S. Sixth Ave. Animal shelters are asking people to think carefully before bringing home Easter pets for the kids.
Those chicks, bunnies and other Easter pets that delight your child can suffer a sad fate if they're not cared for when the season is over. Animals released into the wild can get sick, be hit by cars or be attacked by predators, say animal shelter and humane society officials.
A controlled burn today at the Sweetwater Wetlands is sending a plume of smoke over the city’s west side.
Final days to see 'Deep Blue Sea'
The University of Arizona has received $141.8 million in federal
stimulus money so far.
Villanova University student Christopher Meehan made good use of
his January 2007 trip to the beach south of Cancún — documenting
behavior of the first spider known to science to be deliberately
and almost totally vegetarian.
Some booksellers are hard-pressed to classify Diana Gabaldon's