Pițigoi azuriu (Romanian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Pițigoi azuriu" in Romanian language version.

refsWebsite

Global rank Romanian rank

6^th place

23^rd place

2,179^th place

3,449^th place

1iucnredlist.org

88^th place

26^th place

3,128^th place

340^th place

1researchgate.net

120^th place

137^th place

archive.org

Naumann. Naturgeschichte der Vögel Mitteleuropas. Band II. 1897
H. E. Dresser. A history of the birds of Europe : including all the species inhabiting the western palaearctic region. Volume III. 1871-1881
John Gould. The Birds of Europe. In Five Volumes. Vol. III. Insessores. London: Printed by Richard and John E. Taylor, Red Lion Court, Fleet Street. Published by the Author, 20 Broad Street, Golden Square. 1837.

birdlife.org

datazone.birdlife.org

hbw.com

Gosler, A. & Clement, P. (2018). Azure Tit (Cyanistes cyanus). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.

iucnredlist.org

Cyanistes cyanus. The IUCN Red List of Threatened Species

researchgate.net

Łukasz Ławicki. Azure Tits and hybrids Azure x European Blue Tit in Europe. Dutch Birding 34: 219-231, 2012