Elanus caeruleus: differenze tra le versioni

Versione delle 09:45, 11 feb 2020

Versione delle 01:41, 4 giu 2020

Riga 80:

* {{cita web | 1 = http://www.ibercajalav.net/img/103_Black-wingedKiteEcaeruleus.pdf | 2 = Ageing and sexing (PDF; 0.95 MB) by Javier Blasco-Zumeta & Gerd-Michael Heinze | accesso = 17 novembre 2014 | urlarchivio = https://web.archive.org/web/20131112094341/http://www.ibercajalav.net/img/103_Black-wingedKiteEcaeruleus.pdf | dataarchivio = 12 novembre 2013 | urlmorto = sì }}

* [http://vireo.acnatsci.org/search.html?Form=Search&SEARCHBY=Common&KEYWORDS=Black-shouldered+Kite&showwhat=images&AGE=All&SEX=All&ACT=All&Search=Search&VIEW=All&ORIENTATION=All&RESULTS=24 Black-shouldered Kite photo gallery] at VIREO (Drexel University)

* [http://maps.iucnredlist.org/map.html?id=22695028 Interactive range map of ''Elanus caeruleus''] at [https://web.archive.org/web/20151212020634/http://maps.iucnredlist.org/index.html IUCN Red List maps]

* Original species description by Desfontaines [http://biodiversitylibrary.org/page/28011233] (in French)