Hawaii’s wildlife is truly unique. As one of the most diverse and isolated landscapes on Earth, these islands are home to a wide variety of animals found nowhere else in the world. Whether you’re planning a trip to Hawaii or already living here, it’s worth discovering the incredible creatures that inhabit these beautiful islands.
Below is a list of the Top 10 Most Interesting Animals in Hawaii—animals you won’t want to miss on your next adventure. From mountains to oceans, Hawaii’s wildlife is sure to amaze. (Please note that sightings are not guaranteed.)
1. Hawaiian Monk Seal (Neomonachus schauinslandi)
The Hawaiian monk seal is one of only two mammals native to Hawaii and the official state mammal. These rare seals were nearly extinct in the 1990s but have made a remarkable recovery. They can grow up to 8 feet in length and weigh 400-600 pounds. As one of just two monk seal species left worldwide, spotting a Hawaiian monk seal is a rare treat!
Tip: If you’re lucky, you might catch a glimpse of these seals on a wildlife tour or even during our Dolphins and You tour.
2. Hawaiian Hoary Bat (Lasiurus cinereus)
The Hawaiian hoary bat, also called ‘ōpe‘ape‘a, is the only other native mammal in Hawaii besides the Hawaiian monk seal. This solitary, nocturnal bat has distinctive frosty fur and is a rare but exciting sight, often seen around dusk. While they are a unique species to Hawaii, they are closely related to hoary bats found across North, Central, and South America, as well as on the Galapagos Islands.
3. Hawaiian Green Sea Turtles (Chelonia mydas)
Known as honu to locals, Hawaiian green sea turtles are commonly spotted near shorelines, particularly on Oahu’s North Shore and at places like Laniakea Beach. These gentle, friendly turtles are protected by law, so be sure to observe from a distance—getting too close can result in a hefty fine. ($2,000!!)
Tip: There’s a great turtle-watching spot called Turtle Canyon, located offshore of Waikiki. You can visit Turtle Canyon with our Turtle & You tour for an unforgettable experience with these majestic creatures!
4. Humpback Whale (Megaptera novaeangliae)
The humpback whale was nearly hunted to extinction by the 1990s, but as a protected species, they’ve made an incredible comeback. Fortunately, the future seen in Star Trek IV—where whales have vanished forever—will not come to pass!
In Hawaii, whale watching is an unforgettable experience. Every year from November to April, these gentle giants migrate to the warm waters of Hawaii to breed, making this the perfect place to catch a glimpse of them.
Humpbacks range from 39 to 52 feet in length—that’s about half the size of an NBA basketball court! Not only are they long, but they’re also impressively heavy, averaging between 50,000 and 79,000 pounds. While not the largest marine mammals (that title belongs to the blue whale), humpbacks are nonetheless a breathtaking sight.
5. Manta Ray (Manta birostris)
You may have seen a stingray in an aquarium, but you likely haven’t encountered a manta ray up close—these rays are simply too massive for most aquariums to house. With wingspans ranging from 18 to 23 feet, they’re about half the length of a humpback whale!
Hawaii offers a range of diving excursions where you can experience manta rays in their natural habitat, typically priced around $100. If you’re lucky, you might even spot one during our Dolphins and You tour, adding an extra thrill to your Hawaiian adventure!
6. Nene Goose (Branta sandvicensis)
Hawaii’s state bird, the Nene Goose, is as unique as it is rare. Known as the rarest goose in the world, the Nene was once much more common across the islands. Its population dramatically declined during the mid-20th century, nearly bringing it to extinction.
These birds are still hard to spot, but you might get lucky if you’re visiting Kauai or the Big Island, where they can sometimes be found in remote areas.
7. Mongoose (Herpestes javanicus)
Originally introduced to Hawaii in the 1800s to control the rat population, the mongoose has since become an invasive species. While they are commonly seen scurrying through bushes and crossing roads, they are known for hunting native birds and their eggs, contributing to the decline of some local bird populations.
Although they can be quite entertaining to watch as they cause mischief around human settlements, it’s essential to remember their impact on Hawaii’s delicate ecosystem.
8. Jackson’s Chameleon (Trioceros jacksonii)
The Jackson’s chameleon, also known as the Kikuyu Three-Horned Chameleon, was introduced to Hawaii in the early 1970s and is considered an invasive species. Originally native to East Africa (primarily Kenya and Tanzania), they have also been spotted in Florida and California.
While there are no specific tours dedicated to chameleons, you can still encounter these fascinating creatures while hiking in Hawaii’s lush forests. Known for their incredible ability to change color for camouflage, spotting a Jackson’s chameleon can be a delightful challenge. The males are easily identifiable by their distinctive three horns, adding to their unique charm in the wild. Just be sure to look closely, as they blend in seamlessly with their surroundings!
Tip: If you are lucky, you might be able to see one on our Nature & You – Manoa Hiking Tour.
9. Hawaiian Spinner Dolphin (Stenella longirostris)
Unlike the well-known but less common bottlenose dolphin, Hawaiian spinner dolphins are the friendlier and less aggressive members of the dolphin family. Hawaii is one of the best places in the world to see and experience these dolphins in their natural habitat.
Watch Dolphins in the Beautiful West Coast of Oahu with Dolphins & You!
They are called “spinners” for their remarkable tendency to leap out of the water and spin mid-air. The Hawaiian spinner dolphin is one of four species of spinner dolphins found globally, with other variations residing in the Eastern Pacific, Central America/Costa Rica, and the Gulf of Thailand. Their playful behavior and social nature make encountering them an unforgettable experience for those exploring Hawaii’s stunning waters.
Tip: Join our Dolphins and You tour for a chance to see these energetic creatures up close while enjoying traditional Hawaiian activities on board!
10. Sharks (Various species, including Galeocerdo cuvier and Triaenodon obesus)
Hawaii’s waters host around 40 species of sharks, including tiger, hammerhead, and white-tip reef sharks. For a closer encounter, cage diving tours offer a thrilling experience with these apex predators, essential for Hawaii’s marine ecosystem health.
Want to See Hawaiian Wildlife?
Hawaii offers incredible opportunities to experience its diverse wildlife up close. With a unique environment that harbors animals not found anywhere else in the world, you can encounter everything from humpback whales to spinner dolphins and the endangered monk seal.
Here are a few of our favorite tours to help you see these fascinating creatures:
- Dolphins and You: Encounter Hawaiian spinner dolphins, tropical fish, and possibly even monk seals or manta rays on this ocean adventure.
- Nature and You: Explore Hawaii’s rainforest with a scenic hike along the Manoa Falls Trail, where you’ll learn about the local flora and fauna.
- Island and You: Take an island-wide tour of Oahu’s cultural landmarks, delicious foods, and natural beauty, with chances to spot native wildlife along the way.
Whatever adventure you choose, you’re sure to have an unforgettable experience with Hawaii’s extraordinary wildlife!
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