Hawaii Birdwatching Guide — Native Birds and Where to See Them
Why Hawaii Is One of the World's Best Birdwatching Destinations
Hawaii's extreme geographic isolation — over 2,000 miles from any continent — created one of the most dramatic examples of adaptive radiation in nature. Over millions of years, a tiny number of ancestral species colonized the islands and evolved into hundreds of unique forms. Hawaii once had over 100 species of birds found nowhere else on earth. Habitat loss and introduced predators have reduced that number severely, but the surviving native species are deeply worth seeking out — and several are experiencing genuine recoveries in protected areas.
Oahu: Accessible Wetland and Forest Birding
The most accessible serious birdwatching on Oahu starts at the wetlands. Hamakua Marsh Wildlife Sanctuary in Kaneohe is a free urban marsh managed by the City and County of Honolulu. The 26-acre preserve is one of the most reliable spots in the state for spotting the Hawaiian stilt (ae'o), Hawaiian coot (alae ke'oke'o), and Hawaiian duck (koloa maoli) — three endemic waterbirds on the federal endangered species list. A short loop trail runs the marsh perimeter; bring binoculars.
Kawainui Marsh in Kailua is the largest wetland in Hawaii at over 800 acres. The flat walking path along the marsh edge is free, open daily, and a significant site for the same endemic waterbirds as Hamakua, plus regular sightings of migratory shorebirds during fall and spring. The marsh is also a cultural treasure site; interpretive signage explains its importance in Hawaiian history.
Kauai: Alakai Swamp and the Rarest Birds on Earth
The Alakai Wilderness Preserve on Kauai, accessible via the Pihea Trail from the Pu'u o Kila Lookout at the end of Waimea Canyon Road, is the highest-elevation swamp in the world and the last refuge for some of Hawaii's rarest birds. The Nene (Hawaiian goose), Hawaii's state bird, is often seen in the Kokee State Park meadows below the swamp. Inside the Alakai, patient observers may find the Puaiohi (Small Kauai Thrush), the Akikiki (Kauai Creeper), and the 'Anianiau, one of the tiniest honeycreepers. Take the Alakai Swamp Trail (3.5 miles one way from Pihea junction) for the deepest forest birding. The trail crosses boardwalks over the boggy terrain — wear waterproof boots.
Kauai also has a significant Nene colony at Kilauea Point National Wildlife Refuge on the North Shore. Kilauea Lighthouse and the surrounding headlands protect breeding pairs of Red-footed Boobies, Great Frigatebirds, Laysan Albatross, and Wedge-tailed Shearwaters. Admission is $10 (National Wildlife Refuge entrance fee); it's one of the finest seabird-watching sites in the entire Pacific.
Big Island: Forest Birds and Nene at Mauna Kea
The Big Island offers the widest range of native forest habitats. Hakalau Forest National Wildlife Refuge on the windward slopes of Mauna Kea is accessible by four-wheel drive vehicle on the Mana Road and requires advance permission from the US Fish and Wildlife Service. The reward is extraordinary: the forest holds strong populations of 'Apapane, 'Amakihi, Hawaii 'Akepa, Akiapolaau, and the endangered Hawaii Creeper. The 'I'iwi, a scarlet honeycreeper with a curved orange bill, is among the most spectacular birds in the Pacific.
More accessible is the Kipuka Puaulu Bird Park (also called the Bird Park) at Kilauea, within Hawaii Volcanoes National Park. A one-mile loop trail through an old-growth koa and ohia forest surrounded by younger lava fields creates a natural refuge that concentrates native forest birds. The Kalij Pheasant (introduced from India) is common here, but patient morning observers also find 'Apapane, 'Amakihi, and 'Elepaio.
Birding Tips for Hawaii
- Dawn is essential: Native forest birds are most active within two hours of sunrise; they often fall quiet by mid-morning.
- Bring binoculars: 8x42 or 10x42 are ideal for forest birding; the birds move fast through dense canopy.
- The Birds of Hawaii and the Tropical Pacific (Pratt, Bruner & Berrett) is the authoritative field guide; download the Merlin Bird ID app (Cornell Lab) for audio ID help in the field.
- Wetland birds are easier than forest birds for beginners — start at Kawainui Marsh or Hamakua before attempting the Alakai Swamp.
- No predator-free enclosures required: Many of Hawaii's rarest birds can be seen in the wild, not just in captivity, particularly on Kauai and the Big Island.
Why Hawaii's Birds Are Special
Looking for things to do in Hawaii? Browse upcoming events →
Related Reading
Stay in the loop
Get the Friday Hawaii events email
Free. One email a week with what's happening across the islands. No spam, unsubscribe anytime.