September 10, 2019
The wild population of Mount Graham red squirrels is estimated at only 75 individuals. (George Andrejko/AZGFD)
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U.S. wildlife officials rejected petitions Sept. 5 to protect Yellowstone National Park’s storied bison herds but pledged to consider protections for two other species — a tiny, endangered squirrel in Arizona and bees that pollinate rare desert flowers in Nevada.