Product Description: When the University of Arizona announced plans to build observatories on Mt. Graham, atop the Pinaleño Mountains, the construction was seen as a potential threat to an isolated species found only on this sky island. The Mt. Graham red squirrel was declared “endangered” by the US Fish and Wildlife Service...read more

Product Description: Written with clarity and wit by two top scientists, North American Tree Squirrels illuminates the everyday lives of gray and fox squirrels, the two most dominant types of tree squirrels of the eastern United States.Drawing on more than twenty years of research, Michael A...read more