1w cach with dark underwing

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Luka Jurinovic
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1w cach with dark underwing

Post by Luka Jurinovic » Tue Dec 30, 2014 7:50 am

Hi everyone!

Is this too dark underwing for cach? Are there some arg genes in it?
I took this last Saturday on jakuševec, Zagreb? It was ringed in May 2014 in cach colony of ZB.KOZIELNO,PACZKÓW..

I aslo found two Slovakian cach and they also look preety dark to me. Photos on my blog http://cro-ringing.blogspot.com/

cheers
Luka
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20141227 La cach red 46P2 Jakusevec 3 for gro.jpg
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20141227 La cach red 46P2 Jakusevec for gro.jpg
20141227 La cach red 46P2 Jakusevec for gro.jpg (189.72KiB)Viewed 2690 times

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marsmuusse
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Re: 1w cach with dark underwing

Post by marsmuusse » Fri May 29, 2015 8:45 pm

Hi Luka,
I think this would still be okay within the limits of cachinnans. After all, Kozielno is an almost homogeneous population:
http://gull-research.org/cachinnans/1cy/fig4vw2006.html

from:
http://gull-research.org/cachinnans/05cymar.html

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