Article Series

Series: Denali Fact Sheets: Biology

Discover the secret lives of animals in Denali!

  • Denali National Park & Preserve

    Chapter 1: Beavers Across Denali’s Hydrologic Landscape

    closeup of a beaver

    Learn more about nature's chief engineer! Read more

  • Denali National Park & Preserve

    Chapter 2: Rutting Behavior of Moose

    two bulll moose wading in a pond

    Weighing up to 1,600 pounds each, bull moose spar and sometimes brutally fight for a few weeks each autumn for the right to mate with females. Read more

  • Chapter 3: Moose Surveys

    a moose cow and calf in brush

    Science Summary (2012) - By estimating moose numbers, wildlife managers can understand if the local population of animals can be considered 'natural and healthy.' The information is also used in crafting hunting regulations. Moose populations also indicate the biological integrity of an area. Read more

  • Denali National Park & Preserve

    Chapter 4: Population Biology of the Wood Frog

    person standing in a knee deep pond

    Science Summary (2008) - During the summer of 2007, Dr. Robert Newman of the Department of Biology, University of North Dakota set out to get this large geographic-scale picture of how wood frogs may respond to climate change by initiating field studies of wood frogs in wilderness areas of Alaska, including Denali. Read more

  • Denali National Park & Preserve

    Chapter 5: Surveying Denali's Pollinators: Bees & Flower Flies

    a bee on a tall pink flower

    Science Summary (2013) - Because they are diverse, abundant, easy to sample, and tightly linked to their host plants, bees may serve as ideal indicators to measure the effects of a changing climate on critical ecosystem services such as pollination. Read more

  • Denali National Park & Preserve

    Chapter 6: Surveying Dall Sheep in Denali

    three sheep on a dirt road

    Science Summary (2012) - Whether visitors on a bus into Denali National Park and Preserve spot “white dots with legs” high on the craggy slopes of Igloo or Cathedral Mountain, or experience full-curl rams smacking horns on the rocks of Polychrome, there is no better iconic image for wildlife protection in the park than the Dall sheep. Read more

  • Denali National Park & Preserve

    Chapter 7: Songbird Monitoring

    small gray bird

    Science Summary (2013) - Repeat surveys alert us to any changes in the abundance, distribution, or seasonality of songbirds birds that nest in Denali. Read more