Greater spotted eagle (English Wikipedia)

Bishop, K. David (1999). "Preliminary notes on some birds in Bhutan" (PDF). Forktail. 15: 87–91. Archived from the original (PDF) on 26 July 2014. Retrieved 18 July 2014.

books.google.com

BirdLife International (2021). "Clanga clanga". IUCN Red List of Threatened Species. 2021: e.T22696027A203868747. doi:10.2305/IUCN.UK.2021-3.RLTS.T22696027A203868747.en. Retrieved 11 November 2021.
Parry, S.J.; Clark, W.S.; Prakash, V. (2002). "On the taxonomic status of the Indian Spotted Eagle Aquila hastata". Ibis. 144 (4): 665–675. doi:10.1046/j.1474-919X.2002.00109.x.
Meyburg, B.-U., G. M. Kirwan, and E. F. J. Garcia (2020). Greater Spotted Eagle (Clanga clanga), version 1.0. In Birds of the World (J. del Hoyo, A. Elliott, J. Sargatal, D. A. Christie, and E. de Juana, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.grseag1.01
Väli, Ülo; Lõhmus, Asko (2004). "Nestling characteristics and identification of the lesser spotted eagle Aquila pomarina, greater spotted eagle A. clanga, and their hybrids". Journal of Ornithology. 145 (3): 256–263. Bibcode:2004JOrn..145..256V. doi:10.1007/s10336-004-0028-7. S2CID 20893726.
Maciorowski, Grzegorz; Mirski, Paweł; Kardel, Ignacy; Stelmaszczyk, Mateusz; Mirosław-Swia˛tek, Dorota; Chorman´ski, Jarosław; Okruszko, Tomasz (2 January 2015). "Water regime as a key factor differentiating habitats of spotted eagles Aquila clanga and Aquila pomarina in Biebrza Valley (NE Poland)". Bird Study. 62 (1): 120–125. Bibcode:2015BirdS..62..120M. doi:10.1080/00063657.2014.972337. ISSN 0006-3657.

Väli, Ülo; Lõhmus, Asko (2000). "Suur-konnakotkas ja tema kaitse Eestis" [The Greater Spotted Eagle and its conservation in Estonia]. Hirundo. Supplement 3: 1–50.

Global Raptor Information Network. 2021. Species account: Greater Spotted Eagle Clanga clanga. Downloaded from http://www.globalraptors.org on 18 Oct. 2021

Väli, Ülo; Lõhmus, Asko (2004). "Nestling characteristics and identification of the lesser spotted eagle Aquila pomarina, greater spotted eagle A. clanga, and their hybrids". Journal of Ornithology. 145 (3): 256–263. Bibcode:2004JOrn..145..256V. doi:10.1007/s10336-004-0028-7. S2CID 20893726.
Maciorowski, Grzegorz; Mirski, Paweł; Kardel, Ignacy; Stelmaszczyk, Mateusz; Mirosław-Swia˛tek, Dorota; Chorman´ski, Jarosław; Okruszko, Tomasz (2 January 2015). "Water regime as a key factor differentiating habitats of spotted eagles Aquila clanga and Aquila pomarina in Biebrza Valley (NE Poland)". Bird Study. 62 (1): 120–125. Bibcode:2015BirdS..62..120M. doi:10.1080/00063657.2014.972337. ISSN 0006-3657.

Väli, Ülo; Lõhmus, Asko (2004). "Nestling characteristics and identification of the lesser spotted eagle Aquila pomarina, greater spotted eagle A. clanga, and their hybrids". Journal of Ornithology. 145 (3): 256–263. Bibcode:2004JOrn..145..256V. doi:10.1007/s10336-004-0028-7. S2CID 20893726.

Maciorowski, Grzegorz; Mirski, Paweł; Kardel, Ignacy; Stelmaszczyk, Mateusz; Mirosław-Swia˛tek, Dorota; Chorman´ski, Jarosław; Okruszko, Tomasz (2 January 2015). "Water regime as a key factor differentiating habitats of spotted eagles Aquila clanga and Aquila pomarina in Biebrza Valley (NE Poland)". Bird Study. 62 (1): 120–125. Bibcode:2015BirdS..62..120M. doi:10.1080/00063657.2014.972337. ISSN 0006-3657.

Bishop, K. David (1999). "Preliminary notes on some birds in Bhutan" (PDF). Forktail. 15: 87–91. Archived from the original (PDF) on 26 July 2014. Retrieved 18 July 2014.

Maciorowski, Grzegorz; Mirski, Paweł; Kardel, Ignacy; Stelmaszczyk, Mateusz; Mirosław-Swia˛tek, Dorota; Chorman´ski, Jarosław; Okruszko, Tomasz (2 January 2015). "Water regime as a key factor differentiating habitats of spotted eagles Aquila clanga and Aquila pomarina in Biebrza Valley (NE Poland)". Bird Study. 62 (1): 120–125. Bibcode:2015BirdS..62..120M. doi:10.1080/00063657.2014.972337. ISSN 0006-3657.