Animalia > Chordata > Aves > Accipitriformes > Accipitridae > Aquila > Aquila nipalensis

Aquila nipalensis (Steppe Eagle)

Synonyms: Circaetus nipalensis

Wikipedia Abstract

The steppe eagle (Aquila nipalensis) is a bird of prey. Like all eagles, it belongs to the family Accipitridae. It was once considered to be closely related to the non-migratory tawny eagle (Aquila rapax) and the two forms have previously been treated as conspecific. They were split based on pronounced differences in morphology and anatomy; two molecular studies, each based on a very small number of genes, indicate that the species are distinct but disagree over how closely related they are.
View Wikipedia Record: Aquila nipalensis

Infraspecies

Aquila nipalensis nipalensis
Aquila nipalensis orientalis

Endangered Species

Status: Endangered
View IUCN Record: Aquila nipalensis

EDGE Analysis

Uniqueness Scale: Similiar (0) 
2
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
18
 Unique & Vulnerable (100)
ED Score: 5.8771
EDGE Score: 1.9282
Learn more at EDGE of Existence programme

Attributes

Adult Weight [1]  5.864 lbs (2.66 kg)
Birth Weight [2]  117 grams
Female Weight [4]  6.962 lbs (3.158 kg)
Male Weight [1]  5.143 lbs (2.333 kg)
Weight Dimorphism [1]  28 %
Diet [3]  Carnivore (Vertebrates)
Diet - Endothermic [3]  90 %
Diet - Scavenger [3]  10 %
Forages - Ground [3]  100 %
Clutch Size [6]  2
Clutches / Year [1]  1
Fledging [1]  84 days
Incubation [5]  45 days
Maximum Longevity [8]  41 years
Migration [7]  Intercontinental
Raptor Research Conservation Priority [9]  40
Snout to Vent Length [1]  27 inches (68 cm)
Speed [10]  17.224 MPH (7.7 m/s)
Wing Span [10]  6.658 feet (2.03 m)
Female Maturity [1]  3 years 11 months

Ecoregions

Protected Areas

Important Bird Areas

Biodiversity Hotspots

Prey / Diet

Ochotona dauurica (Daurian Pika)[11]
Phodopus campbelli (Campbell's hamster)[12]
Schistocerca gregaria (desert locust)[13]
Vulpes rueppellii (Rüppell's Fox)[14]

Prey / Diet Overlap

Consumers

Parasitized by 
Baruscapillaria falconis[15]
Ligula intestinalis[15]
Philophthalmus aquilla <Unverified Name>[15]
Philophthalmus lucknowensis <Unverified Name>[15]

Range Map

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Leaflet | © OpenStreetMap contributors

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
♦ 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
♦ 4Meyburg BU, Paillat P, Meyburg C (2003) Migration routes of Steppe Eagles between Asia and Africa: a study by means of satellite telemetry. Condor 105:219–227
♦ 5del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.
♦ 6Jetz 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
♦ 7Myers, 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
♦ 8de 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
♦ 9Buechley 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
♦ 10Alerstam 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
♦ 11The plateau pika (Ochotona curzoniae) is a keystone species for biodiversity on the Tibetan plateau, Andrew T. Smith and J. Marc Foggin, Animal Conservation (1999) 2, 235–240
♦ 12Phodopus campbelli, Patricia D. Ross, MAMMALIAN SPECIES No. 503, pp. 1-7 (1995)
♦ 13SYMENS, P. (1988). Effects of the mass migration of desert locusts Schistocerca gregaria on birds in the Taif area. Arabia.
♦ 14Vulpes rueppelli, Serge Larivière and Philip J. Seddon, MAMMALIAN SPECIES No. 678, pp. 1–5 (2001)
♦ 15Gibson, 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