Population increase for endangered red squirrels in Arizona

This undated photo provided by the U.S. Fish and Wildlife Service shows a Mount Graham red squirrel in the Pinaleno Mountains of Arizona. The latest survey shows another increase in the population of the endangered Mount Graham red squirrel in the Pinaleño Mountains of southeastern Arizona, according to authorities. State Game and Fish Department officials said Thursday, Dec. 1, 2022, that the annual survey estimates that there currently are 156 of the rare squirrels, up from 109 last year. (Marit Alanen/U.S. Fish and Wildlife Service via AP, File)