Steppe eagle (Simple English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Steppe eagle" in Simple English language version.

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1web.archive.org

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1globalraptors.org

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archive.org

Ferguson-Lees, J.; Christie, D. (2001). Raptors of the World. Houghton Mifflin Harcourt. ISBN 0-618-12762-3.

biostor.org

Clark, W.S. (1992). "The taxonomy of Steppe and Tawny Eagles, with criteria for separation of museum specimens and live eagles". Bulletin of the British Ornithologists' Club. 112: 150–157.
Olson, Storrs L. (1994). "Cranial osteology of Tawny and Steppe Eagles Aquila rapax and A. nipalensis". Bulletin of the British Ornithologists' Club. 114: 264–267.

doi.org

Sangster, George; Knox, Alan G.; Helbig, Andreas J.; Parkin, David T. (2002). "Taxonomic recommendations for European birds". Ibis. 144 (1): 153–159. doi:10.1046/j.0019-1019.2001.00026.x.

globalraptors.org

"Steppe Eagle Aquila nipalensis". globalraptors.org. Global Raptor Information Network. Archived from the original on 2020-09-26. Retrieved 2022-10-02.

web.archive.org

"Steppe Eagle Aquila nipalensis". globalraptors.org. Global Raptor Information Network. Archived from the original on 2020-09-26. Retrieved 2022-10-02.