The Beluga whale’s distinctive forehead is called a melon

The whale’s distinctive forehead is called a melon, and the beluga can alter the shape of its melon by shifting air around its sinuses, as noted by the World Wildlife Fund. This bulbous forehead may help the whales with echolocation.

Because of their wide range of vocalizations, beluga whales are sometimes known as the sea canary, according to Whale and Dolphin Conservation. They make at least eleven distinct sounds, from chirps to whistles, and belugas in captivity can mimic the sounds of human speech.