abert's squirrel with unique tufted ears

abert 039 squirrel sciurus aberti tasseleared tree tuft tufted ears hair fur gray white mount lemmon sky island tucson arizona coronado national forest ponderosa pine eye paws furry unique mammal animal biology environment ecology ecosystem long fluffy cute nature natural rocky mountains catalina wildlife viewing travel tourism horizontal selective focus copy space conservation people abert's elevation underbelly visible arizona's