Animalia > Chordata > Aves > Accipitriformes > Accipitridae > Leucopternis > Leucopternis occidentalis

Leucopternis occidentalis (Grey-backed Hawk)

Synonyms: Pseudastur occidentalis (homotypic)

Wikipedia Abstract

The grey-backed hawk (Pseudastur occidentalis) is a species of bird of prey in the Accipitridae family.It is found in Ecuador and Peru.Its natural habitats are subtropical or tropical dry forests and subtropical or tropical moist lowland forests.It is threatened by habitat loss.
View Wikipedia Record: Leucopternis occidentalis

Endangered Species

Status: Endangered
View IUCN Record: Leucopternis occidentalis

EDGE Analysis

Uniqueness Scale: Similiar (0) 
3
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
52
 Unique & Vulnerable (100)
ED Score: 6.64144
EDGE Score: 4.11303
Learn more at EDGE of Existence programme

Attributes

Adult Weight [1]  1.55 lbs (703 g)
Female Weight [1]  1.717 lbs (779 g)
Male Weight [1]  1.382 lbs (627 g)
Weight Dimorphism [1]  24.2 %
Diet [2]  Carnivore (Invertebrates), Carnivore (Vertebrates)
Diet - Ectothermic [2]  40 %
Diet - Endothermic [2]  20 %
Diet - Invertibrates [2]  40 %
Forages - Understory [2]  20 %
Forages - Ground [2]  80 %
Clutch Size [1]  1
Raptor Research Conservation Priority [3]  14
Snout to Vent Length [1]  20 inches (52 cm)

Ecoregions

Name Countries Ecozone Biome Species Report Climate Land
Use
Ecuadorian dry forests Ecuador Neotropic Tropical and Subtropical Dry Broadleaf Forests
Tumbes-Piura dry forests Ecuador, Peru Neotropic Tropical and Subtropical Dry Broadleaf Forests
Western Ecuador moist forests Colombia, Ecuador Neotropic Tropical and Subtropical Moist Broadleaf Forests

Protected Areas

Name IUCN Category Area acres Location Species Website Climate Land Use
Reserva del Noroeste Biosphere Reserve 571807 Peru  

Important Bird Areas

Biodiversity Hotspots

Name Location Endemic Species Website
Tropical Andes Argentina, Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela No
Tumbes-Choco-Magdalena Colombia, Ecuador, Panama, Peru No

Range Map

External References

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
♦ 2Hamish 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
♦ 3Buechley 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
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