Jay interviews Greg Holm, a Ranger at Grand Canyon National Park in Arizona. Greg has been working as a Wildlife Biologist and Wildlife Program Manager in the National Park Service for the past 22 years. He has spent the past 10 years managing the wildlife program at Grand Canyon. Prior to that, he worked at Crater Lake NP in Oregon and Redwood NP in northern California. Before his career with the NPS, he worked for the Wyoming Game and Fish Department, researching and managing the grizzly bear population in northwest Wyoming. He has a BS degree in Wildlife Management from Humboldt State University and a Masters degree in Zoology from the University of Wyoming. In this interview, he talks about the wildlife in the Canyon and what is found on the South Rim and then the North Rim.