A sighting reveals extinction and climate change in a single image
A group of researchers photograph a woolly mammoth tusk on the banks of the Koyukuk River in Alaska.
by Matt Adams
Jun 14, 2022
1 minute
Alaska's Koyukuk River was the site of an interesting discovery. During a float down the river, a group of University of Virginia professors spotted a woolly mammoth tusk along the riverbank.
, of the professors, was able to document
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