Animalia > Chordata > Aves > Passeriformes > Corvidae > Corvus > Corvus torquatus

Corvus torquatus (Collared crow)

EDGE Analysis

Uniqueness Scale: Similiar (0) 
1
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
22
 Unique & Vulnerable (100)
ED Score: 3.59503
EDGE Score: 2.21812
Learn more at EDGE of Existence programme

Attributes

Adult Weight [1]  1.019 lbs (462 g)
Female Weight [1]  437 grams
Male Weight [1]  1.074 lbs (487 g)
Weight Dimorphism [1]  11.4 %
Diet [2]  Carnivore (Invertebrates), Carnivore (Vertebrates), Granivore
Diet - Invertibrates [2]  50 %
Diet - Scavenger [2]  10 %
Diet - Seeds [2]  40 %
Forages - Ground [2]  100 %
Clutch Size [3]  4
Snout to Vent Length [1]  21 inches (54 cm)

Ecoregions

Protected Areas

Name IUCN Category Area acres Location Species Website Climate Land Use
Dinghushan Nature Reserve V 2320 Guangdong, China  
Fanjingshan Nature Reserve V 86145 Guizhou, China  
Fujian Wuyishan Nature Reserve V 206754 Fujian, China  
Tianmushan Biosphere Reserve 47993 China  
Yancheng Nature Reserve V 711488 China    

Biodiversity Hotspots

Name Location Endemic Species Website
Indo-Burma Bangladesh, Cambodia, China, India, Laos, Myanmar, Thailand, Viet Nam No
Mountains of Southwest China China, Myanmar No

Consumers

Parasitized by 
Hymenolepis serpentulus[4]

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
♦ 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
♦ 4Gibson, D. I., Bray, R. A., & Harris, E. A. (Compilers) (2005). Host-Parasite Database of the Natural History Museum, London
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
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