Animalia > Chordata > Aves > Accipitriformes > Accipitridae > Buteo > Buteo solitarius
 

Buteo solitarius (Hawaiian Hawk; Lo)

Wikipedia Abstract

The Hawaiian hawk or ʻio (Buteo solitarius) is a raptor of the Buteo genus endemic to Hawaiʻi, currently restricted to the Big Island. Buteos tend to be easily recognized by their bulky bodies relative to their overall length and wingspan. The ʻio is the only hawk that is native to Hawaiʻi, and fossil evidence indicates that it inhabited the island of Hawaiʻi, Molokaʻi, Oʻahu, and Kauaʻi at one time. Today, it is known to breed only on the Big Island, in stands of native ʻōhiʻa lehua (Metrosideros polymorpha) trees. The species is protected as an endangered species in the United States. However, the IUCN classifies the species as Near Threatened.
View Wikipedia Record: Buteo solitarius

EDGE Analysis

Uniqueness Scale: Similiar (0) 
1
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
22
 Unique & Vulnerable (100)
ED Score: 3.36688
EDGE Score: 2.1672

Attributes

Adult Weight [1]  1.124 lbs (510 g)
Birth Weight [2]  35 grams
Female Weight [1]  1.336 lbs (606 g)
Male Weight [5]  414 grams
Weight Dimorphism [1]  46.4 %
Diet [3]  Carnivore (Invertebrates), Carnivore (Vertebrates)
Diet - Endothermic [3]  70 %
Diet - Invertibrates [3]  30 %
Forages - Mid-High [3]  33 %
Forages - Understory [3]  33 %
Forages - Ground [3]  33 %
Clutch Size [4]  2
Clutches / Year [1]  1
Egg Length [1]  2.205 inches (56 mm)
Egg Width [1]  1.693 inches (43 mm)
Fledging [1]  61 days
Incubation [2]  38 days
Maximum Longevity [2]  17 years
Snout to Vent Length [1]  17 inches (42 cm)
Wing Span [6]  37 inches (.94 m)
Female Maturity [1]  3 years

Ecoregions

Name Countries Ecozone Biome Species Report Climate Land
Use
Hawaii tropical dry forests United States Oceania Tropical and Subtropical Dry Broadleaf Forests  
Hawaii tropical low shrublands United States Oceania Tropical and Subtropical Grasslands, Savannas, and Shrublands
Hawaii tropical moist forests United States Oceania Tropical and Subtropical Moist Broadleaf Forests  

Protected Areas

Name IUCN Category Area acres Location Species Website Climate Land Use
Hawaii Volcanoes National Park 177278 Hawaii, United States
Hawaiian Islands Biosphere Reserve 245981 Hawaii, United States  
Kaloko-Honokohau National Historical Park   Hawaii, United States
Puukohola Heiau National Historic Site   Hawaii, United States  

Biodiversity Hotspots

Name Location Endemic Species Website
Polynesia-Micronesia Fiji, Micronesia, Polynesia, Samoa, Tonga, United States Yes

Institutions (Zoos, etc.)

    Maps
Institution Infraspecies / Breed 
Honolulu Zoo
Houston Zoo, Inc.
Pana'ewa Rainforest Zoo & Gardens

Distribution

Oceania;

External References

Audio

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Citations

Attributes / relations provided by
1Nathan P. Myhrvold, Elita Baldridge, Benjamin Chan, Dhileep Sivam, Daniel L. Freeman, and S. K. Morgan Ernest. 2015. An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles. Ecology 96:3109
2de Magalhaes, J. P., and Costa, J. (2009) A database of vertebrate longevity records and their relation to other life-history traits. Journal of Evolutionary Biology 22(8):1770-1774
3Hamish Wilman, Jonathan Belmaker, Jennifer Simpson, Carolina de la Rosa, Marcelo M. Rivadeneira, and Walter Jetz. 2014. EltonTraits 1.0: Species-level foraging attributes of the world's birds and mammals. Ecology 95:2027
4Jetz W, Sekercioglu CH, Böhning-Gaese K (2008) The Worldwide Variation in Avian Clutch Size across Species and Space PLoS Biol 6(12): e303. doi:10.1371/journal.pbio.0060303
5Clarkson, KE and LP Laniawe. 2000. Hawaiian Hawk (Buteo solitarius). In A. Poole and F. Gill [eds.], The birds of North America, No. 523. The Birds of North America, Inc., Philadelphia, PA.
6del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.
Ecoregions provided by World Wide Fund For Nature (WWF). WildFinder: Online database of species distributions, ver. 01.06 WWF WildFINDER
Biodiversity Hotspots provided by Critical Ecosystem Partnership Fund
Abstract provided by DBpedia licensed under a Creative Commons License
Audio software provided by SoundManager 2