Tibuleac T., Glavan T., 1997: Impactul regimului de protectie asupra avifaunei rezervatiei “Codri”. 7 pp. 

 Togner J., 1960: Pteretis struthiopteris (L.) Nieuwl. u Studénky nad Odrou. 2 pp. 

 Tomek T., 1980: Nesting of dunnock Prunella modularis modularis (Linnaeus, 1758). 22 pp. [80913] Acta zoologica cracoviensia

 Tomek T., 1984: Materials to the breeding avifauna of the People’s Democratic Republic of Korea. 28 pp. [80914] Acta zoologica cracoviensia

 Tomek T., 1984: Szczatki ptaków z wczesnosredniowiecznej osady w Stradowie. 6 pp. [AVE 224] Acta zoologica cracoviensia 27/7: 121-126.

 Tomek T., 1985: Materials for the breeding avifauna of the Democratic People’s Republic of Korea. Results of expedition ’83. 32 pp. [80673] Acta zoologica cracoviensia

 Tomek T., 1988: The breeding biology of the dunnock Prunella modularis modularis (Linnaeus, 1758) in the Ojców National Park (South Poland). 52 pp. [80674] [M57] Acta zoologica cracoviensia

 Tomek T., 1992: Formation of bird communities in the forest sample plots undergoing the action of industrial pollution in the Ojców National Park. 22 pp. [80915] Acta zoologica cracoviensia 35(2): 351-372.

 Tomek T., Dontchev S., 1987: Materials concerning the avifauna of the Democratic Republic of Korea in the postbreeding season. 16 pp. 

 Tomek T., Dontchev S., 1987: Materials concerning the avifauna of the Democratic Republic of Korea in the postbreeding season. 16 pp. [AVE 225] Acta zoologica cracoviensia 30/4: 37-52.

 Tomialojc L., 1976: The urban population of the woodpigeon Columba palumbus Linnaeus, 1758, in Europe – its origin, increase and distribution. 47 pp. [80916] Acta zoologica cracoviensia

 Tood W. E. C., 1929: A revision of the wood-warbler genus Basileuterus and its allies. 95 pp. 

 Topercer J., 1994: Výsledky prieskumu nižších stavovcov a vtákov v projektovanom zátopovom území vodárenskej nádrže Turček. 10 pp. 

 Torre I., Tella J. L., Ballesteros T., 1997: Tendencias tróficas de la lechuza común (Tyto alba) en la depresión media del Ebro. 10 pp. 

 Townsend C. H., 1890: Scientific results of explorations by the U.S. fish commission steamer Albatross. No. XIV. – Birds from the Coasts of Western North America and adjacent islands, collected in 1888-89, with descriptions of new species. 12 pp. 

 Trompheller J. R., 1995: Erster Brutnachweis des Birkenzeisigs (Acanthis flammea [Linnaeus, 1758]) im Stadtgebiet von Erfurt. 3 pp. Veröffentlichungen des Naturkundemuseum Erfurt 14: 7-9.

 Trompheller J. R., 2000: Beobachtung eines Schreiadlers (Aquila pomarina C. L. Brehm, 1831) bei Erfurt. 2 pp. Veröffentlichungen des Naturkundemuseum Erfurt 19:115-116.

 Trompheller J. R., Bößneck U., 1994: Schutzmaßnahmen für die Schleiereule (Tyto alba SCOP., 1769) im Stadtgebiet von Erfurt. 3 pp. Veröffentlichungen des Naturkundemuseum Erfurt 13: 175-177.

 Trompheller J. R., Bossneck U., 1999: Wasseramsel, Cinclus cinclus (Linnaeus, 1758) und Schwarzkehlchen, Saxicola torquata (Linnaeus, 1766) wieder Brutvögel im Gebiet der Stadt Erfurt (Thüringen). 5 pp. [AVE 228] Thüringer Faunistische Abhandlungen 6: 5-9.

 Trompheller J. R., Bössneck U., 2010: Bestandsentwicklung der Dohle (Corvus monedula Linnaeus, 1758) im Stadtgebiet von Erfurt zwischen 1992 und 2010. 8 pp. Thüringer Faunistische Abhandlungen 15: 55-62.

 Turkewitsch B. G., 1936: Anatomičeskoe stroenie kostnogo labirinta kak odin iz sistematičeskich priznakov u ptic i mlekopitajuščich. 39 pp. 

 Urbánek B., 1965: Příspěvek k poznání ptactva Československa. 8 pp. [AVE 302] Acta Musei Silesiae 14A: 119-126.

 Utschick H., Brandl R., 1989: Roosting activities of the Rainbow Lory (Trichoglossus haematodus) at Wau, Papua New Guinea. 8 pp. Spixiana 11(3): 303-310.

 Varo M. I., Ghizelea G., 1965: The alimentary tract of Euleptoramphus longirostris Cuv. and Cheilopogon cyanopterus Cuv. et Val. 15 pp. 

 Vasconcelos M. F., Figueredo C. C., Oliveira R. S., 1998: Padrao temporal de vocalizacao do bacurau-da-telha Caprimulgus longirostris (Aves, Caprimulgidae) ao longo de quatro noites na Serra do Curral, Minas Gerais, Brasil. 5 pp. 

 Veiga L. A., Oliveira A. T., 1995: Um caso de albinismo em tacha (Chauna torquata, Oken) (Aves, Anseniformes) ocorrido na Estacao Ecológica do Taím, Rio Grande do Sul, Brasil. 4 pp. Revta bras. Zool. 12(3): 563-566.

 Veneti A. F., 2004: Rapporto ornitologico per la regione Veneto. Anno 2003. 30 pp. (in Italian). Bolletino del Museo civico di Storia naturale Venezia 55: 171-200.

 Veselovský Z., 1979: A field study of Australian bover birds. 34 pp. 

 Vieira L. A., Teixeira R. L., 2008: Diet of Athene cunicularia (Molina, 1782) from a sandy coastal plain in southeast Brazil – Dieta de Athene cunicularia em uma planície costeira do sudeste do Brasil. 10 pp. Boletim do Museu de Biologia Mello Leitao (N.S.) 23: 5-14.

 Wada T., 1999: Number of bird species breeding in parks of Osaka City. 11 pp. 

 Walasz K., 1990: Experimental investigations on the behavioural differences between urban and forest Blackbirds. 37 pp. [80922] Acta zoologica cracoviensia 33/12: 235-271.

 Walluschek-Wallfeld H., 1996: Erster Brutnachweis des Gänsesägers (Mergus merganser L.) für die Steiermark (Aves). 4 pp. 

 Walters M., 1991: Prosobonia ellisi, an extinct species of sandpiper from Moorea, Society Islands. 10 pp. (in English). Bolletino del Museo regionale di Scienze Naturali – Torino 9(1): 217-226.

 Wasilewski J., 1990: Dynamics of the abundance and consumption of birds of prey in the Niepolomice Forest. 41 pp. [80923] Acta zoologica cracoviensia 33/10: 173-213.

 Watson G. E., Amerson A. B., 1967: Instructions for collecting bird parasites. 12 pp. 

 Wetmore A., 1915: A peculiarity in the growth of the tail feathers of the Giant Hornbill (Rhinoplax vigil). 4 pp. 

 Wetmore A., 1919: Bones of birds collected by Theodoor de Booy from kitchen midden deposits in the Islands of St. Thomas and St. Croix. 11 pp. 

 Wetmore A., 1919: On the anatomy of Nyctibius with notes on allied birds. 10 pp. 

 Wetmore A., 1925: Fossil birds from southeastern Arizona. 18 pp. 

 Wetmore A., 1930: A systematic classification for the birds of the world. 8 pp. 

 Wetmore A., 1932: Birds collected in Cuba and Haiti by the Parish-Smithsonian Expedition of 1930. 40 pp. 

 Wetmore A., 1936: Two new species of hawks from the Miocene of Nebraska. 6 pp. 

 Wetmore A., 1937: Observations on the birds of West Virginia. 41 pp. 

 Wetmore A., 1938: A Miocene booby and other records from the Calvert formation of Maryland. 5 pp. 

 Wetmore A., 1938: Another fossil owl from the Eocene of Wyoming. 3 pp. 

 Wetmore A., 1939: Notes on the birds of Tennessee. 69 pp. 

 Wetmore A., 1940: Notes on the birds of Kentucky. 46 pp. 

 Wetmore A., 1941: Notes on birds of the Guatemalan highlands. 59 pp. 

 Wetmore A., 1944: A collection of birds from northern Guanacaste Costa Rica. 56 pp. 

 Wetmore A., Lincoln F. C., 1933: Additional notes on the birds of Haiti and the Dominican Republic. 68 pp.