Hamakua Forests

IBA Criteria

Year of most recent IBA criteria assessment: 2009

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Hawaiian Goose Branta sandvicensis NT breeding 2007 200 individuals A1, A2, A4i
Hawaiian Hawk Buteo solitarius NT breeding 1999 frequent A1, A2
Hawaii Elepaio Chasiempis sandwichensis VU resident 2000 138,900 individuals A1, A2
Omao Myadestes obscurus VU breeding 2000 57,500 individuals A1, A2
Akiapolaau Hemignathus wilsoni EN breeding 2000 1,600 individuals A1, A2
Hawaii Creeper Manucerthia mana EN resident 2000 17,800 individuals A1, A2
Hawaii Akepa Loxops coccineus EN breeding 2000 8,300 individuals A1, A2
Hawaii Amakihi Chlorodrepanis virens LC resident 2000 200,800 individuals A2
Iiwi Drepanis coccinea VU breeding 2000 285,400 individuals A1, A2
Apapane Himatione sanguinea LC resident 2000 255,900 individuals A2

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here

IBA Monitoring

Most recent IBA monitoring assessment
Year of assessment Threat score (pressure) Condition score (state) Action score (response)
2012 not assessed not assessed medium
Was the whole site covered? No State assessed by unset
Accuracy of information good

IBA Protection

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Laupahoehoe Natural Area Reserve 3,057 protected area contained by site 0
Laupahoehoe State Natural Area Reserve 3,196 protected area contained by site 3,196
Hakalau Forest National Wildlife Refuge 15,347 protected area contained by site 15,347


IUCN Habitat Habitat detail Extent (% of site)
Forest -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
nature conservation and research -
For further information about the land use classification please click here.

Land ownership
Lands comprising the Hamakua Forest Important Bird Area are owned by the Federal Government, the State of Hawai`i, and several different private landowners. Hakalau Forest National Wildlife Refuge is owned by the U.S. Fish and Wildlife Service. Laupahoehoe Natural Area Reserve and the Hamakua, Hilo, Hilo Watershed, and Manowaiale`e Forest Reserves are owned by the State of Hawai`i. Private landowners include Kamehameha Schools, Queen Liliuokalani Trust, and Parker Ranch. Despite their misleading names, two private parcels owned by Hawaii Forest Preservation and the Ohana Sanctuary are in reality associated with the logging company Koa Timber Inc.

Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Hamakua Forests. Downloaded from http://www.birdlife.org on 03/12/2022.