Assertion: finless porpoise | /r/CapableOf | manipulate its skull
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text: This research expands on the findings of a 2016 paper, also led by Zhang, published in the Journal of the Acoustical Society of America, which suggests that the finless porpoise (Neophocaena phocaenoides) is able to manipulate its skull, forehead, muscle and melon (a unique tissue mass between the blowhole and snout), to tune the acoustic beam from its forehead.