Massam, Marion. "Sparrows"(PDF). Farmnote No. 117/99. Agriculture Western Australia. Archived from the original(PDF) on 12 August 2008. Retrieved 1 February 2009.
Barlow, Jon C.; Leckie, Sheridan N. Pool, A. (ed.). "Eurasian Tree Sparrow (Passer montanus)". The Birds of North America Online. Ithaca: Cornell Laboratory of Ornithology. Retrieved 30 January 2009.
Barta, Zoltán; Liker, András; Mónus, Ferenc (February 2004). "The effects of predation risk on the use of social foraging tactics". Animal Behaviour. 67 (2): 301–308. doi:10.1016/j.anbehav.2003.06.012. S2CID53180647.
Shao, M.; Hounsome, T.; Liu, N. (2007). "The summer diet of the Little Owl (Athene noctua) in the desert of north-west China". Journal of Arid Environments. 68 (4): 683–687. Bibcode:2007JArEn..68..683S. doi:10.1016/j.jaridenv.2006.08.010.
Bertolino, Sandro; Ghiberti, Elena; Perrone, Aurelio (2001). "Feeding ecology of the long-eared owl (Asio otus) in northern Italy: is it a dietary specialist?". Canadian Journal of Zoology. 79 (12): 2192–2198. Bibcode:2001CaJZ...79.2192B. doi:10.1139/z01-182.
Mainka, S. A.; Melville D. S.; Galsworthy A.; Black, S. R. (1994). "Knemidocoptes sp. on wild passerines at the Mai Po nature reserve, Hong Kong". Journal of Wildlife Diseases. 30 (2): 254–256. doi:10.7589/0090-3558-30.2.254. PMID8028111. S2CID40000445.
Puchala, Peter (2004). "Detrimental effects of larval blow flies (Protocalliphora azurea) on nestlings and breeding success of Tree Sparrows (Passer montanus)". Canadian Journal of Zoology. 82 (8): 1285–1290. Bibcode:2004CaJZ...82.1285P. doi:10.1139/z04-111.
Shao, M.; Hounsome, T.; Liu, N. (2007). "The summer diet of the Little Owl (Athene noctua) in the desert of north-west China". Journal of Arid Environments. 68 (4): 683–687. Bibcode:2007JArEn..68..683S. doi:10.1016/j.jaridenv.2006.08.010.
Bertolino, Sandro; Ghiberti, Elena; Perrone, Aurelio (2001). "Feeding ecology of the long-eared owl (Asio otus) in northern Italy: is it a dietary specialist?". Canadian Journal of Zoology. 79 (12): 2192–2198. Bibcode:2001CaJZ...79.2192B. doi:10.1139/z01-182.
Puchala, Peter (2004). "Detrimental effects of larval blow flies (Protocalliphora azurea) on nestlings and breeding success of Tree Sparrows (Passer montanus)". Canadian Journal of Zoology. 82 (8): 1285–1290. Bibcode:2004CaJZ...82.1285P. doi:10.1139/z04-111.
del Hoyo, Josep; Elliott, Andrew; Sargatal, Jordi; Christie, David A.; de Juana, Eduardo, eds. (2013). "Eurasian Tree Sparrow (Passer montanus)". Handbook of the Birds of the World Alive. Barcelona: Lynx Edicions. Retrieved 25 October 2018.
Mainka, S. A.; Melville D. S.; Galsworthy A.; Black, S. R. (1994). "Knemidocoptes sp. on wild passerines at the Mai Po nature reserve, Hong Kong". Journal of Wildlife Diseases. 30 (2): 254–256. doi:10.7589/0090-3558-30.2.254. PMID8028111. S2CID40000445.
Barta, Zoltán; Liker, András; Mónus, Ferenc (February 2004). "The effects of predation risk on the use of social foraging tactics". Animal Behaviour. 67 (2): 301–308. doi:10.1016/j.anbehav.2003.06.012. S2CID53180647.
Mainka, S. A.; Melville D. S.; Galsworthy A.; Black, S. R. (1994). "Knemidocoptes sp. on wild passerines at the Mai Po nature reserve, Hong Kong". Journal of Wildlife Diseases. 30 (2): 254–256. doi:10.7589/0090-3558-30.2.254. PMID8028111. S2CID40000445.
Massam, Marion. "Sparrows"(PDF). Farmnote No. 117/99. Agriculture Western Australia. Archived from the original(PDF) on 12 August 2008. Retrieved 1 February 2009.