Przevalski's nuthatch (English Wikipedia)

Hoyo, Josep del; Elliott, Andrew; Christie, David A. (2008). "Sittidae (Nuthatches): Systematics". Handbook of the Birds of the World: Penduline-tits to Shrikes. Vol. 13. Lynx Edicions (HBW Alive for online version). doi:10.2173/bow.sittid1.01. S2CID 243219879.
Pasquet, Eric; Barker, F. Keith; Martens, Jochen; Tillier, Annie; Cruaud, Corinne; Cibois, Alice (April 2014). "Evolution within the nuthatches (Sittidae: Aves, Passeriformes): molecular phylogeny, biogeography, and ecological perspectives". Journal of Ornithology. 155 (3): 755–765. Bibcode:2014JOrni.155..755P. doi:10.1007/s10336-014-1063-7. S2CID 17637707.
Martens, Jochen; Tietze, Dieter Thomas; Päckert, Martin (February 2011). "Phylogeny, biodiversity, and species limits of passerine birds in the Sino-Himalayan region—a critical review". Ornithological Monographs. 70: 64–94. doi:10.1525/om.2011.70.1.64. Archived from the original on March 14, 2014. Retrieved April 8, 2014.
Dresser, Henry Eeles; Morgan, Edward Delmar (April 1899). "On new species of birds obtained in Kan-su by M. Berezovsky". Ibis. 41 (2): 270–276. doi:10.1111/j.1474-919X.1899.tb05554.x.
Päckert, Martin; Bader-Blukott, Marcella; Künzelmann, Berit; Sun, Yue-Hua; Hsu, Yu-Cheng; Kehlmaier, Christian; Albrecht, Frederik; Illera, Juan Carlos; Martens, Jochen (2020). "A revised phylogeny of nuthatches (Aves, Passeriformes, Sitta) reveals insight in intra- and interspecific diversification patterns in the Palearctic" (PDF). Vertebrate Zoology. 70 (2): 241–262. doi:10.26049/VZ70-2-2020-10. Retrieved July 19, 2025.
Ludlow, Frank (October 1951). "The birds of Kongbo and Pome, south-east Tibet". Ibis. 93 (4): 547–578. doi:10.1111/j.1474-919X.1951.tb05458.x.

harvard.edu (Global: 18^th place; English: 17^th place)

ui.adsabs.harvard.edu

Pasquet, Eric; Barker, F. Keith; Martens, Jochen; Tillier, Annie; Cruaud, Corinne; Cibois, Alice (April 2014). "Evolution within the nuthatches (Sittidae: Aves, Passeriformes): molecular phylogeny, biogeography, and ecological perspectives". Journal of Ornithology. 155 (3): 755–765. Bibcode:2014JOrni.155..755P. doi:10.1007/s10336-014-1063-7. S2CID 17637707.

hbw.com (Global: 3,128^th place; English: 4,193^rd place)

Hoyo, Josep del; Elliott, Andrew; Christie, David A. (2008). "Sittidae (Nuthatches): Systematics". Handbook of the Birds of the World: Penduline-tits to Shrikes. Vol. 13. Lynx Edicions (HBW Alive for online version). doi:10.2173/bow.sittid1.01. S2CID 243219879.

iucnredlist.org (Global: 88^th place; English: 160^th place)

BirdLife International. (2024). "Sitta przewalskii". IUCN Red List of Threatened Species. 2024 e.T103881940A264221987. Retrieved December 24, 2024.

lynxeds.com (Global: 6,625^th place; English: low place)

ibc.lynxeds.com

"Przewalski's Nuthatch ('Sitta przewalskii')". The Internet Bird Collection (IBC). Retrieved April 12, 2014.

oed.com (Global: 360^th place; English: 231^st place)

"Nuthatch". Oxford English Dictionary. Oxford University Press. Retrieved April 17, 2014.

semanticscholar.org (Global: 11^th place; English: 8^th place)

api.semanticscholar.org

Hoyo, Josep del; Elliott, Andrew; Christie, David A. (2008). "Sittidae (Nuthatches): Systematics". Handbook of the Birds of the World: Penduline-tits to Shrikes. Vol. 13. Lynx Edicions (HBW Alive for online version). doi:10.2173/bow.sittid1.01. S2CID 243219879.
Pasquet, Eric; Barker, F. Keith; Martens, Jochen; Tillier, Annie; Cruaud, Corinne; Cibois, Alice (April 2014). "Evolution within the nuthatches (Sittidae: Aves, Passeriformes): molecular phylogeny, biogeography, and ecological perspectives". Journal of Ornithology. 155 (3): 755–765. Bibcode:2014JOrni.155..755P. doi:10.1007/s10336-014-1063-7. S2CID 17637707.

web.archive.org (Global: 1^st place; English: 1^st place)

Collar, Nigel J.; Pilgrim, John D. (2007). "Species-level changes proposed for Asian birds, 2005–2006" (PDF). Oriental Bird Club. 8. BirdingASIA: 14–30. Archived from the original on February 10, 2019. Retrieved July 19, 2025.{{cite journal}}: CS1 maint: bot: original URL status unknown (link)

worldbirdnames.org (Global: 1,007^th place; English: 1,255^th place)

"Nuthatches, Wallcreeper, treecreepers, spotted creepers, mockingbirds, starlings, oxpeckers – IOC World Bird List". IOC World Bird List – Version 14.2. February 20, 2025. Retrieved July 19, 2025.

worldcat.org (Global: 5^th place; English: 5^th place)

search.worldcat.org

Peters, James Lee (1967). Raymond A. Paynter Jr. (ed.). Check-List of Birds of the World. Vol. XII. Museum of Comparative Zoology. p. 137. OCLC 605148103.
Sharpe, R. Bowdler (1903). A Hand-list of the Genera and Species of Birds. Vol. IV. The Trustees of the British Museum. p. 349. OCLC 1988804.
Sclater, Philip Lutley; Saunders, Howard (1885). "Recently published ornithological works – 'Przewalski's Journey in Tibet'". The Ibis. III (fifth series). British Ornithologists' Union: 110. OCLC 1377260.
Thayer, John E.; Bangs, Outram (1915). "Aves: Sittidae, Sitta przewalkii, Berezowski & Bianchi". Memoirs of the Museum of Comparative Zoölogy at Harvard College. Vol. 40. University Press. p. 186. OCLC 1642017.

zenodo.org (Global: 621^st place; English: 380^th place)

Päckert, Martin; Bader-Blukott, Marcella; Künzelmann, Berit; Sun, Yue-Hua; Hsu, Yu-Cheng; Kehlmaier, Christian; Albrecht, Frederik; Illera, Juan Carlos; Martens, Jochen (2020). "A revised phylogeny of nuthatches (Aves, Passeriformes, Sitta) reveals insight in intra- and interspecific diversification patterns in the Palearctic" (PDF). Vertebrate Zoology. 70 (2): 241–262. doi:10.26049/VZ70-2-2020-10. Retrieved July 19, 2025.

Przevalski's nuthatch (English Wikipedia)

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zenodo.org (Global: 621^st place; English: 380^th place)