Animalia > Chordata > Aves > Accipitriformes > Accipitridae > Polyboroides > Polyboroides radiatus

Polyboroides radiatus (Madagascar Harrier-Hawk)

Wikipedia Abstract

The Madagascar harrier-hawk (Polyboroides radiatus) is a very large species of bird of prey in the Accipitridae family. It is endemic to Madagascar. Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical moist montane forests. The population is believed to be stable and estimated between 1,000 and 10,000, with the range spread over the whole of Madagascar.
View Wikipedia Record: Polyboroides radiatus

EDGE Analysis

Uniqueness Scale: Similiar (0) 
10
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
35
 Unique & Vulnerable (100)
ED Score: 19.7167
EDGE Score: 3.03094
Learn more at EDGE of Existence programme

Attributes

Diet [1]  Carnivore (Invertebrates), Carnivore (Vertebrates)
Diet - Ectothermic [1]  20 %
Diet - Endothermic [1]  20 %
Diet - Invertibrates [1]  60 %
Forages - Aerial [1]  10 %
Forages - Canopy [1]  20 %
Forages - Mid-High [1]  30 %
Forages - Understory [1]  20 %
Forages - Ground [1]  20 %
Clutch Size [3]  2
Incubation [2]  39 days
Raptor Research Conservation Priority [4]  71
Snout to Vent Length [5]  23 inches (59 cm)
Wing Span [2]  4.067 feet (1.24 m)

Ecoregions

Protected Areas

Biodiversity Hotspots

Name Location Endemic Species Website
Madagascar and the Indian Ocean Islands Comoros, Madagascar, Mauritius, Seychelles Yes

Prey / Diet

Prey / Diet Overlap

External References

Citations

Attributes / relations provided by
♦ 1Hamish 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
♦ 2del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.
♦ 3Jetz 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
♦ 4Buechley ER, Santangeli A, Girardello M, et al. Global raptor research and conservation priorities: Tropical raptors fall prey to knowledge gaps. Divers Distrib. 2019;25:856–869. https://doi.org/10.1111/ddi.12901
♦ 5Nathan 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
♦ 6Predation on Lemurs in the Rainforest of Madagascar by Multiple Predator Species: Observations and Experiments, Sarah M. Karpanty and Patricia C. Wright, Primate Anti-Predator Strategies, Developments in Primatology: Progress and Prospects, 2007, Part 2, 77-99
♦ 7Effective predation defence in Cheirogaleus medius, Kathrin H. Dausmann, Lemur News Vol. 15, 2010, pp. 18-20
♦ 8The predator-sensitive foraging behaviour of free-living Verreaux’s sifaka (Propithecus verreauxi verreauxi) at Berenty Reserve, Madagascar, Jennifer Danielle Bernadette Prew, Masters thesis, University of Victoria (2008)
Ecoregions provided by World Wide Fund For Nature (WWF). WildFinder: Online database of species distributions, ver. 01.06 Wildfinder Database
Biodiversity Hotspots provided by Critical Ecosystem Partnership Fund
Abstract provided by DBpedia licensed under a Creative Commons License
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0