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Picture information:
Bird species (IOC):	Blackish Oystercatcher (Haematopus ater) - species factsheet
Voice:	Voices can be found here (external link).
Location:	Callao, Lima, Peru
Date:	26th November 2010
Picture setup:	Canon EOS50D med 400 mm. tele
Photographer:	Klaus Malling Olsen, Denmark
Uploaded:	17th April 2011
Hits:	The picture has been viewed 1799 times.

Comments:

Daniel Pettersson writes Sunday April 17th 2011, 11:01 pm

Hej! Hur skiljer man denna art från American Black Oystercatcher?

Hilsen, Daniel

Jan Jörgensen writes Sunday April 17th 2011, 11:38 pm

Om jag inte minns fel är de två nästan identiska utom vad gäller näbben form och tjocklek.

Basen av undre näbbhalvan är relativt rakare hos bachmani (ABO)i hela dess längd jämfört med ater (BO)samt mindre kraftig.

ater

bachmani

JanJ

Carsten Murmann writes Monday April 18th 2011, 8:59 am

Tack, JAN.

Vel fremhævet i H. ater's danske navn
'GROVnæbbet Strandskade'. VH ......... C.

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