Archivos de diario de marzo 2019

01 de marzo de 2019

Black-eared Kite < > Black Kite

While improving my visual knowledge of Japanese and East-Asian Black Kites i'm collecting information on the (sub)species in the area.
An alleged Black-eared Kite has been ID'd in Britain (https://www.birdguides.com/articles/what-is-a-black-eared-kite/)

so maybe not all black kites in East Asia are Black-eared?

  • articles in random order - No scientific base, just a basic reference.

http://www.elisanet.fi/antero.lindholm/Caluta/Caluta2_l.pdf

https://www.dropbox.com/s/ccwpydvmjl0okgw/Kite.BlackEared.Pariah.2014.pdf

https://subalpinebirding.com/blog/eastern-black-kites-in-europe-a-new-look

thread on the subject: https://www.birdforum.net/threads/black-eared-kite.139678/#post-2964394

ID differences based on Caluta article mentioned above
lineatus has:
-P6 longer, more pointed than in migrans
-primaries distinct white bases and distinct barring (indistinct white and barring in migrans)
-cere and legs dull coloured, not yellow as in migrans
-dark iris (vs pale in migrans)
-belly/undertail lighter than breast
-head brown with eyemask (light without mask in migrans)
-breast streaked yellow (streaked black in migrans)

work in progress: distinguishing black kites subspecies

Interesting article on Black-eared Kite in Western Europe
https://subalpinebirding.com/blog/eastern-black-kites-in-europe-a-new-look
Is the reverse possible too?

Publicado el marzo 1, 2019 02:41 TARDE por housecrows housecrows | 0 comentarios | Deja un comentario