They may not be Arctic monkeys, but they could offer clues to animals will fare due to climate change.
“No primate relative has ever been found at such extreme latitudes,” study co-author Kristen Miller, a doctoral student with the University of Kansas’ Biodiversity Institute and Natural History Museum, said, which uses branching diagrams to show the evolutionary history and relationships of a species, helped the team to figure out how the fossils from these newly found species were related to those found in modern-day mid-latitude locations in North America.
According to Miller, both species are descended from a common northbound ancestor who possessed a spirit “to boldly go where no primate has gone before.” The intense periods of darkness of the Arctic Circle may have triggered both of these species to evolve a surprising trait compared to their other primate relatives: more robust teeth and jaws. The team believes that it was much more difficult to find food during dim winter months. The Arctic primate relatives likely had to eat tougher harder material like nuts and seeds, as opposed to softer snacks like fruit, which could have impacted their unique dentistry..
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