Redditor CstrikerDan took this terrifying photo of swarming mosquitoes while on a 45-day backpacking trip through Alaska's Brooks Ridge. "They were standard size but had some crazy bloodlust. You could swat over 100 on your friends back with one slap and the spot would be covered again in seconds," he said.
This photo was taken on the same trip near a small village within Brooks Ridge:
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