Summary[edit] Description: The cycle of life continues at Denali. Two wolves feast on caribou in the East Fork River as a raven hovers overhead. Sunday, May 22, 2011 (NPS Photo/Cindy Gonterman). Date: 22 May 2011, 01:36. Source: NPS Photo Cindy Gonterman Uploaded by AlbertHerring. Author: Denali National Park and Preserve.