Petrochelidon (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Petrochelidon" in English language version.

refsWebsite

Global rank English rank

1aviansystematics.org

low place

7,983^rd place

6^th place

6^th place

1worldbirdnames.org

1,007^th place

1,255^th place

archive.org

Jobling, James A (2010). The Helm Dictionary of Scientific Bird Names. London: Christopher Helm. p. 300. ISBN 978-1408125014.

aviansystematics.org

"Hirundinidae". aviansystematics.org. The Trust for Avian Systematics. Retrieved 2023-07-15.

worldbirdnames.org

Gill, Frank; Donsker, David; Rasmussen, Pamela, eds. (December 2023). "Swallows". IOC World Bird List Version 14.1. International Ornithologists' Union. Retrieved 11 January 2024.