kc3018

Cinnamon Bittern 栗葦鳽

2015.10.01
Mai Po

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4/10/2015 13:51

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4/10/2015 13:51

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4/10/2015 13:51

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4/10/2015 13:51

[ Last edited by kc3018 at 5/10/2015 23:51 ]

lexusjohn

Good find !

kc3018

I found this bird around the Cinnamon Bittern that day, is this a juvenile or is it only a Chinese Pond Heron?

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5/10/2015 23:50

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5/10/2015 23:50

kmatthew

This one looks like a Yellow Bittern.

((華仔))

Quote:

原帖由 kmatthew 於 6/10/2015 14:58 發表
This one looks like a Yellow Bittern.

Yes! You can find different from their eyes.^^

wgeoff

Interesting observation.

Several Bittern species have a dark mark at the rear of the iris - Schrencks's and also Cinnamon it appears.
Here is an old Screnck's photo of mine



but it seems Yellow Bittern does not.

I still don't know what the function of this dark iris mark is.

[ Last edited by wgeoff at 7/10/2015 09:34 ]

kc3018

Quote:

Original posted by kmatthew at 6/10/2015 14:58
This one looks like a Yellow Bittern.

thanks to kmattew, 華仔 and wgeoff for identifying the bird.