Most Alaska reports of this deer concentrate on Kodiak Island, where Kodiak National Wildlife Refuge holds the state’s densest cluster, with more scattered through Tongass National Forest and Glacier Bay National Park and Preserve. What’s actually being recorded here is the Sitka black-tailed deer, a coastal subspecies native to the temperate rainforest of Southeast Alaska’s Inside Passage. It was transplanted onto Kodiak and Afognak islands in the early 1900s and has been established there for more than a century.
In Alaska, deer work brushy clearcuts, muskeg bog edges, and beach fringe under spruce and hemlock canopy, browsing on blueberry, salmonberry, and other shrubs rather than grazing grass. Deep snow pushes them down into low-elevation old-growth and beach forest each winter, then they climb back into subalpine meadow once the snowpack breaks up, the same elevation shuttle mule deer make throughout their range.
Records run year-round but cluster from May through August, when longer days and fresh green-up put deer out where hikers and hunters are more likely to notice and report them. That pattern says more about when people are outside than about when the deer themselves are active.
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