Philippine hawk-eagle (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Philippine hawk-eagle" in English language version.

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1iucnredlist.org

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1web.archive.org

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1orientalbirdclub.org

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1nhm-wien.ac.at

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doi.org

BirdLife International (2016). "Nisaetus philippensis". IUCN Red List of Threatened Species. 2016: e.T45015567A95139313. doi:10.2305/IUCN.UK.2016-3.RLTS.T45015567A95139313.en. Retrieved 13 November 2021.
Helbig, Andreas J.; Kocum, Annett; Seibold, Ingrid; Braun, Michael J. (April 2005). "A multi-gene phylogeny of aquiline eagles (Aves: Accipitriformes) reveals extensive paraphyly at the genus level". Molecular Phylogenetics and Evolution. 35 (1): 147–164. doi:10.1016/j.ympev.2004.10.003.
Gamauf A, Gjershaug JO, Rov N, Kvaly K, Haring E (2005). "Species or subspecies? The dilemma of taxonomic ranking of some South-East Asian hawk-eagles (genus Spizaetus)". Bird Conservation International. 15: 99–117. doi:10.1017/S0959270905000080.

ebird.org

"Philippine Hawk-Eagle". Ebird.

elsevier.com

linkinghub.elsevier.com

Helbig, Andreas J.; Kocum, Annett; Seibold, Ingrid; Braun, Michael J. (April 2005). "A multi-gene phylogeny of aquiline eagles (Aves: Accipitriformes) reveals extensive paraphyly at the genus level". Molecular Phylogenetics and Evolution. 35 (1): 147–164. doi:10.1016/j.ympev.2004.10.003.

iucnredlist.org

BirdLife International (2016). "Nisaetus philippensis". IUCN Red List of Threatened Species. 2016: e.T45015567A95139313. doi:10.2305/IUCN.UK.2016-3.RLTS.T45015567A95139313.en. Retrieved 13 November 2021.

nhm-wien.ac.at

Preleuthner, M. & Gamauf, A. (1998). "A possible new subspecies of the Philippine Hawk-eagle (Spizaetus philippensis) and its future prospects" (PDF). J. Raptor Res. 32 (2): 126–135.

orientalbirdclub.org

Gamauf A, Preleuthner M, Pinsker W (1998). "Distribution and field identification of Philippine birds of prey: 1. Philippine Hawk-Eagle (Spizaetus philippensis) and Changeable Hawk Eagle (Spizaetus cirrhatus)" (PDF). Forktail. 14: 1–11. Archived from the original (PDF) on 2008-07-04.

web.archive.org

Gamauf A, Preleuthner M, Pinsker W (1998). "Distribution and field identification of Philippine birds of prey: 1. Philippine Hawk-Eagle (Spizaetus philippensis) and Changeable Hawk Eagle (Spizaetus cirrhatus)" (PDF). Forktail. 14: 1–11. Archived from the original (PDF) on 2008-07-04.