whatilearned
Read more: https://www.the-scientist.com/notebook/the-narluga–new-insights-from-old-bones-66482
TIL the remains of a species of whale that was unidentified for 30yrs was found to be a narwhal-beluga whale hybrid with features of both. While a narwhal is toothless except males who have a spiraled tusk and belugas have 40 teeth the hybrid has 18 and some look similar to a narwhals spiraled tusk
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Females narwhals can have a tusk too.