UAS Sitka offers Natural History Seminar Series talk on April 18

SITKA — “Black Oystercatchers: Their Ecology and History in Sitka Sound” will be the topic of the next presentation in the University of Alaska Southeast Sitka Campus’ Natural History Seminar Series.


The seminar takes place at 7 p.m. on Thursday, April 18, in UAS Sitka Campus Room 229. The presentation is free and open to the community.

This seminar’s guest speaker is David Tessler, the regional wildlife biologist for the Alaska Department of Fish & Game’s Wildlife Diversity Program. Tessler, who is based in Anchorage, is responsible for projects throughout Alaska, including the Wrangell and Alaska mountain ranges, Prince William Sound, the Kenai Peninsula, Kodiak Island, Bristol Bay and the Aleutian Chain.

Tessler’s research interests center on biodiversity conservation. According to his Wildlife Diversity Program website biography, Tessler’s projects tend to focus on relationships between the vital rates of a species of concern and the array of threats encountered throughout the life cycle; population connectivity; genetic structuring; migratory behavior; and the implications of climate change. In his more than 20 years as a field biologist (15 in Alaska), he has focused on a variety of species including the black oystercatcher, rusty blackbirds, wood frogs, loons and grebes, little brown bats and alpine landbird assemblages. In addition, he has conducted research on the Pacific walrus in Alaska and Russian Far East.

Tessler holds a master of science degree in biological sciences from the University of Alaska Anchorage, and a bachelor of science in wildlife biology from Colorado State University.

The UAS Natural History Seminar Series hosts several seminars during the school year on a variety of topics, including Southeast Alaska flora and fauna, glaciers, volcanos, and impacts of climate change in the region. The series is supported by a grant from the Sitka Permanent Charitable Trust to the Sitka Sound Science Center and the University of Alaska Southeast.

For more information on the seminar, contact Kitty LaBounty at 747-9432 or


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