Belugas may communicate by warping a blob of forehead fat
Whales in captivity can mold their “melon” into at least five different shapes
![A beluga whale looks toward the camera, its forehead bulging out prominently](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2024/04/042424_eb_beluga-noggins_feat.jpg?fit=1030%2C580&ssl=1)
Beluga whales like this one at Connecticut’s Mystic Aquarium sport a blob of forehead fat called a “melon.” The cetaceans contort the melon into different shapes, possibly to communicate with each other.
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