Federal wildlife officials have proposed that more than 275,000 acres of forest across Hawaii be designated critical habitat for the 鈥榠鈥榠wi bird, one of about a dozen native honeycreeper species currently headed toward extinction.

Conservationists with the heralded the long-awaited move by the as key to saving the 鈥榠鈥榠wi. The nonprofit had sued the federal agency last year to propose a habitat as required by law for the bird, which is listed as threatened under the Endangered Species Act.

That lawsuit led to a deal in which the Fish and Wildlife Service would propose a critical habitat by December 2022. The 鈥榠鈥榠wi was listed as threatened in 2017, according to the suit.

apapane, mosquito, forest birds, avian malaria
The 鈥榠鈥榠wi is renowned for its curved bill and bright red plumage. Climate change and the demise of native ohia trees have left the species, like many other honeycreepers across Hawaii, facing extinction. Jack Jeffrey Photography

鈥淧rotecting the places the 鈥榠鈥榠wi calls home will give these beautiful birds their best chance at survival,鈥 Maxx Phillips, the Center for Biological Diversity鈥檚 Hawaii director and staff attorney, said in a release.

鈥淚t shouldn鈥檛 have taken a lawsuit, but the Service made the right call. As our forests fall quiet, federal officials must do everything possible to ensure these birds bounce back and stop sliding toward extinction,鈥 Phillips added.

The iconic honeycreeper, known for its bright-red plumage, is among some 17 forest bird species native to the islands poised to disappear.

Their numbers have been decimated in recent years by avian malaria and other mosquito-borne illnesses. Researchers say that warming temperatures from climate change are driving the insects higher and deeper into the birds鈥 forest habitats.

Compounding the problem for the 鈥榠鈥榠wi, according to both federal officials and conservationists, is the demise of native ohia trees across Hawaii. At least one million of those trees have perished across Hawaii due to the spread of rapid ohia death. The birds survive on the nectar of those trees鈥 lehua blossoms and they as pollinators of many native Hawaiian plants.

The 鈥榠鈥榠wi鈥檚 proposed critical habitat would encompass federal, state and private forest lands spread across three Hawaiian islands where the birds are still found: Kauai, Maui and Hawaii island.

iiwi 鈥榠鈥榠wi honeycreeper
This map from federal officials outlines the forest regions across Kauai, Maui and Hawaii proposed as critical habitat for the threatened 鈥榠鈥榠wi bird. U.S. Fish and Wildlife Service

All of the proposed area is currently occupied by the honeycreeper, according to Fish and Wildlife officials. More than 38% of that proposed area overlaps with the designated critical habitat for other endangered species, according to the federal agency.

Philip Taylor, a conservation biologist who works with the Army’s on Oahu, said that it makes sense to start with the three neighbor islands because they have the greater number of birds and better forest habitat.

鈥淚t鈥檚 better to start there, where the birds are,” Taylor said. “Oahu鈥檚 tough. There鈥檚 not a lot of acres left for native birds鈥 with there being so many people and widespread development.

Taylor said he’s only seen 鈥榠鈥榠wi three times on Oahu since 2007, with all of those sightings occurring in the southern Waianae mountains. Further, it’s been more than a decade since the last reported sighting of an 鈥榠鈥榠wi on Hawaii’s most populous island, he added.

Designating critical habitat isn’t the same as creating a marine protected area, wilderness preserve, or some other conservation area as defined by the federal government. It also doesn’t change the ownership of that land, on critical habitat from the National Oceanic and Atmospheric Agency. Instead, it requires all federal agencies to make sure that any actions they take won’t affect the habitat area in a harmful way that would prevent the species’ recovery.

Fish and Wildlife, meanwhile, is scheduled to host a virtual public meeting on its proposal Feb. 10. Those interested in attending can . Members of the public can also submit comments on the proposal through Feb. 27 via .

Fish and Wildlife separately announced last week that it aims to direct some to help save 12 of the imperiled Hawaiian honeycreepers.

Civil Beat鈥檚 coverage of climate change is supported by the Environmental Funders Group of the Hawaii Community Foundation, Marisla Fund of the Hawaii Community Foundation and the Frost Family Foundation.

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