LIVEZEY, Bradley C.; ZUSI, Richard L. Higher-order phylogeny of modern birds (Theropoda, Aves: Neornithes) based on comparative anatomy. II. Analysis and discussion. Zoological Journal of the Linnean Society, January 2007, Vol. 149, Issue 1, s. 1 – 95. ISSN1096-3642. DOI: 10.1111/j.1096-3642.2006.00293.x.
Shaoyuan Wu, et al. Genomes, fossils, and the concurrent rise of modern birds and flowering plants in the Late Cretaceous. Proceedings of the National Academy of Sciences of the United States of America, 2024, Vol. 121, No. 8. ISSN1091-6490. DOI: 10.1073/pnas.2319696121.
google.sk
books.google.sk
FRIEDMANN, Herbert. The Birds of North and Middle America: A Descriptive Catalog of the Higher Groups, Genera, Species, and Subspecies of Birds Known to Occur in North America, from the Arctic lands to the Isthmus of Panama, the West Indies and other Islands of the Caribbean Sea, and the Galapagos Archipelago. Part XI. Washington : United States Government Publishing Office, 1950. 793 s. Dostupné online. S. 1 – 3.
An improved definition for raptors, and a new species joins the flock! [online]. hawkmountain.org, [cit. 2024-03-21]. Dostupné online.
jboyd.net
AFROAVES I [online]. jboyd.net, [cit. 2024-03-21]. Dostupné online.
rcin.org.pl
GADOW, Hans. H. G. Bronns Klassen und Ordnungen des Tierreichs. Bd. 6. Abt. 4., Vögel : Aves. Leipzig : C. F. Wintersche Verlagshandlung, 1893. Dostupné online. S. 8, 10, 11, 13, 14, 19, 21, 27, 28, 32, 34, 36, 39, 42, 46, 47, 53, 54, 56.
sokoliarstvo-kanat.sk
pre verejnosť [online]. sokoliarstvo-kanat.sk, 2021-01-28, [cit. 2024-03-22]. Dostupné online.
worldcat.org
LIVEZEY, Bradley C.; ZUSI, Richard L. Higher-order phylogeny of modern birds (Theropoda, Aves: Neornithes) based on comparative anatomy. II. Analysis and discussion. Zoological Journal of the Linnean Society, January 2007, Vol. 149, Issue 1, s. 1 – 95. ISSN1096-3642. DOI: 10.1111/j.1096-3642.2006.00293.x.
Shaoyuan Wu, et al. Genomes, fossils, and the concurrent rise of modern birds and flowering plants in the Late Cretaceous. Proceedings of the National Academy of Sciences of the United States of America, 2024, Vol. 121, No. 8. ISSN1091-6490. DOI: 10.1073/pnas.2319696121.