Wapiti Lake wolf pack in Yellowstone National Park.

Wapiti Lake PackWyominganimalcanis lupusfamilygray wolfgray wolvesgrey wolfhowlingnational parkpublic landsnowtimber wolftimber wolvestourismtravelwild animalwildernesswildlifewinterwolfwolf packwolvesyellowstoneyellowstone national park