Rare Dolphin and Whale Hybrid Spotted in Hawaii Waters
A rare dolphin hybrid has been confirmed in Hawaii, exciting marine scientists and ocean lovers alike. First seen off the coast of Kauai in 2017, this animal is a cross between a rough-toothed dolphin and a melon-headed whale—two already uncommon members of the dolphin family.
According to ABC News, this hybrid is one of only a few confirmed dolphin-whale hybrids ever recorded. Project lead Robin Baird, speaking to Kauai’s Local Newspaper The Garden Island, described it as “a most unusual finding.”
🧬 Can Dolphins and Whales Mate?
Although the idea of a dolphin and killer whale hybrid may sound like science fiction, this type of interbreeding is scientifically possible within the oceanic dolphin family. Melon-headed whales, despite their name, are actually part of the dolphin family, as are orcas (killer whales).
That means creatures like an orca dolphin hybrid, dolphin whale hybrid, or even a killer whale and dolphin mix are biologically possible—though extremely rare.
This remarkable find is comparable to spotting a snow leopard in the wild. These animals live in deep ocean waters, far from shore, making them hard to study or even see.
Baird’s team plans to return to Kauai to continue their research and possibly find more of these dolphin hybrids.
🐬 Guests on Dolphins & You Tour Witness Rare Pygmy Killer Whales
Even though such sightings are rare, guests on the Dolphins and You tour were lucky enough to see a different rare species: the Pygmy Killer Whale.
Our photographer, Josh Munoz (@joshmunoz on Instagram), captured incredible footage of a Pygmy Killer Whale that curiously lingered near the boat—giving guests an unforgettable experience.

Want to See Hawaii’s Dolphins in the Wild?
While a dolphin and killer whale hybrid is a once-in-a-lifetime sight, and even Pygmy Killer Whales are rare, Hawaii’s ocean is full of wonder. On our Dolphins & You tour, guests often encounter wild Hawaiian spinner dolphins, known for their graceful spins and playful energy.
Learn more about Dolphins & You tours here
Join our dolphin-friendly watching tour, enjoy a traditional Hawaiian chant, and create unforgettable ocean memories — all while respecting Hawaii’s marine life and laws.
Dolphins & You is a certified Sustainable Tour Operator.
Swimming with dolphins is strictly restricted in Hawaii, and our tours follow all federal and state guidelines to protect these incredible creatures.