| Title | Date | Type | ||
|---|---|---|---|---|
| 151 | National Park Service audio recording - Denali National Park and Preserve - Avalanche | Sound | ||
| 152 | National Park Service audio recording - Denali National Park and Preserve - Ptarmigan (close) | Sound | ||
| 153 | National Park Service audio recording - Denali National Park and Preserve - Sandhill cranes | 2009-09-14 | Sound | |
| 154 | National Park Service audio recording - Denali National Park and Preserve - Wolf | 2002-08-05 | Sound | |
| 155 | National Park Service audio recording - Denali National Park and Preserve - Wolf 2 | 2006-07-25 | Sound | |
| 156 | National Park Service audio recording - Glacier Bay National Park and Preserve - Humpback Whale | 2000-10 | Sound | |
| 157 | National Park Service audio recording - Yukon River - Alder flycatchers | Sound | ||
| 158 | Northern Hawk Owl 2 | 2008-06-13 | Sound | |
| 159 | Northern Hawk Owl 3 | 1999-07-18 | Sound | |
| 160 | Steller Sea Lion | 2007 | Sound | |
| 161 | Walrus "chiming" and other vocalizations | 2007 | Sound | |
| 162 | Walrus vocalizations | 2007 | Sound |