Animalia > Chordata > Aves > Accipitriformes > Accipitridae > Circus > Circus pygargus

Circus pygargus (Montagu's Harrier)

Synonyms: Circus ater; Circus cineraceus; Circus montagui; Falco pygargus (homotypic)

Wikipedia Abstract

The Montagu's harrier (Circus pygargus) is a migratory bird of prey of the harrier family. Its common name commemorates the British naturalist George Montagu. The genus name is derived from the Ancient Greek. Circus is from kirkos, referring to a bird of prey named for its circling flight (kirkos, "circle"), probably the hen harrier, and pygargus is Modern Latin derived from Greek pugargos, from puge,"rump" and argos, "shining white". The species name was formerly used for the hen harrier before Montagu's was identified as a different species.
View Wikipedia Record: Circus pygargus

EDGE Analysis

Uniqueness Scale: Similiar (0) 
2
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
18
 Unique & Vulnerable (100)
ED Score: 6.14852
EDGE Score: 1.96691
Learn more at EDGE of Existence programme

Attributes

Adult Weight [1]  310 grams
Birth Weight [2]  24 grams
Female Weight [6]  370 grams
Male Weight [6]  261 grams
Weight Dimorphism [6]  41.8 %
Diet [3]  Carnivore (Invertebrates), Carnivore (Vertebrates)
Diet - Ectothermic [3]  10 %
Diet - Endothermic [3]  80 %
Diet - Invertibrates [3]  10 %
Forages - Ground [3]  100 %
Clutch Size [8]  4
Clutches / Year [7]  1
Fledging [4]  38 days
Incubation [7]  28 days
Mating Display [2]  Non-acrobatic aerial display
Maximum Longevity [5]  16 years
Migration [9]  Intercontinental
Raptor Research Conservation Priority [10]  142
Snout to Vent Length [4]  17 inches (44 cm)
Speed [11]  18.79 MPH (8.4 m/s)
Wing Span [11]  3.575 feet (1.09 m)
Female Maturity [5]  2 years
Male Maturity [5]  2 years

Ecoregions

Protected Areas

+ Click for partial list (100)Full list (1052)

Important Bird Areas

Biodiversity Hotspots

Prey / Diet

Alauda arvensis (Sky Lark)[12]
Microtus arvalis (common vole)[12]
Motacilla flava (Western Yellow Wagtail)[12]
Schistocerca gregaria (desert locust)[13]

Prey / Diet Overlap

Consumers

Range Map

External References

Citations

Attributes / relations provided by
♦ 1Storchová, Lenka; Hořák, David (2018), Data from: Life-history characteristics of European birds, Dryad, Dataset, https://doi.org/10.5061/dryad.n6k3n
♦ 2Terje Lislevand, Jordi Figuerola, and Tamás Székely. 2007. Avian body sizes in relation to fecundity, mating system, display behavior, and resource sharing. Ecology 88:1605
♦ 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
♦ 4Nathan 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
♦ 5de 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
♦ 6Cramp, S.; Simmons, K.E.L.; Perrins, C.M. 1977-1994. Handbook of the birds of Europe, the Middle East and North Africa Vols 1-9. Oxford University Press, Oxford.
♦ 7British Trust for Ornithology
♦ 8Jetz 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
♦ 9Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. 2006. The Animal Diversity Web (online). Accessed February 01, 2010 at animaldiversity.org
♦ 10Buechley 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
♦ 11Alerstam T, Rosén M, Bäckman J, Ericson PGP, Hellgren O (2007) Flight Speeds among Bird Species: Allometric and Phylogenetic Effects. PLoS Biol 5(8): e197. doi:10.1371/journal.pbio.0050197
♦ 12Comparative breeding biology of Hen Harrier and Montagu’s Harrier: an 8-year study in north-eastern France, A. MILLON, J.-L. BOURRIOUX, C. RIOLS & V. BRETAGNOLLE, Ibis (2002), 144, 94–105
♦ 13SYMENS, P. (1988). Effects of the mass migration of desert locusts Schistocerca gregaria on birds in the Taif area. Arabia.
♦ 14Gibson, 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
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