AZ Animals on MSN

The Animals of Saguaro National Park: From Cactus Wrens to Coyotes

Saguaro Park in southeastern Arizona, near Tucson, offers a landscape unlike anything you’ll see elsewhere. The park hosts ...

New Study Discovers Parasitic Ant Queens Can Trigger Workers to Kill Their Own Queen: 'Very Brutal'

Scientists document a rare form of social parasitism in which invading queens weaponize chemistry and worker ants to dethrone ...