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Science
Invasive pike uses marine corridors to establish new territory in Alaska
An exotic species of northern pike caught in Vogel Lake on Alaska’s Kenai Peninsula is on display. Credit: Rob Massengill, Alaska Department of Fish and Game According to a recent study published in the journal PLOS ONE, northern pike are invading freshwater habitats in southcentral Alaska through saltwater. Researchers from the University of Alaska Fairbanks and the Alaska Department of…
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Science
Making Darwin’s finches sing can help establish connections between environmental changes and the emergence of new species
The beak of Darwin’s intermediate finch can evolve to crush hard seed shells. Credit: Andrew Hendry They say “hindsight is 20/20,” but ecological speciation theory (the theory that new species emerge in response to ecological change) seems to hold true in hindsight. Until now, it has been difficult to prove this experimentally. In a study published in the journal Science,…
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