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My last Asia - Accipiters

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Old Friday 12th June 2015, 13:20   #1
Kongi
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My last Asia - Accipiters

Hi,
with your great help, that I really really appreciate!!!, I do not have any other birds from Southeast Asia to share. These are my very last birds I´m struggling with - Accipiters.

I have already posted some of these pictures, but no one answered so I created this last post especially for them with hope that someone could help me this time. I don´t even dare to guess their IDs (I actually did, bud rather don´t share :) )
Pictures 1a and 1b show the same bird

Thank you for identification, and for bringing me still closer to birds:)
Petr

1a,b Accipiter Myanmar
2 Accipiter Cambodia
3 Accipiter Vietnam, Dalat
4 Accipiter Cambodia
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Old Friday 12th June 2015, 14:33   #2
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I think 1, 2 and 4 are Grey-faced Buzzard.

3 looks like Japanese Sparrowhawk (but might be Chinese).

5 I'm not sure what to say.
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Old Friday 12th June 2015, 21:59   #3
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Would agree reg #1-3. Don’t think #3 is Chinese SH due to cere colour. I think wing is too short and round in #4 for GFB. Instead I think this is a Besra. #5 could very well be a Shrika.
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Old Saturday 13th June 2015, 05:37   #4
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Quote:
Originally Posted by KGS View Post
Would agree reg #1-3. Don’t think #3 is Chinese SH due to cere colour. I think wing is too short and round in #4 for GFB. Instead I think this is a Besra. #5 could very well be a Shrika.

Agree with KGS 3. Male Japanese SH. Chinese SH has a bright orangey cere and solid orange u/parts. 4. Besra. Wings way to short especially hand for GFB. Five visible p tips eliminate Crested Goshawk which shows 6. 5. Shikra

A very useful reference here.


https://www.dropbox.com/s/641kigil1f...nd.ID.2014.pdf
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Old Saturday 13th June 2015, 14:18   #5
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First year Besra for the bird in photos 1-2. It is an Accipiter, not Butastur, for various reasons - for example the colour of cere and leg length (and you really do not need this kind of characters in the field for separating these two, but deciding between various Accipiters is far more difficult, of course).
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Old Saturday 13th June 2015, 14:59   #6
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My opinion
1a 1b juv Shikra, thick legs, dark around eyes, plain underwing-covert
2 Shikra
3 juv Bersa
4 Shikra
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Old Saturday 13th June 2015, 15:00   #7
Grahame Walbridge
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Originally Posted by jalid View Post
First year Besra for the bird in photos 1-2. It is an Accipiter, not Butastur, for various reasons - for example the colour of cere and leg length (and you really do not need this kind of characters in the field for separating these two, but deciding between various Accipiters is far more difficult, of course).
I forgot to comment on 1 & 2 which is an obvious accipiter as jalid says, a 1st-winter Besra.

GFB has much longer and narrower wings, and longer tail. Compare here.


http://www.hkbws.org.hk/BBS/viewthread.php?tid=7825
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Old Monday 15th June 2015, 05:09   #8
Kongi
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Thank you for identification and very useful reference!
Petr
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Old Thursday 18th June 2015, 20:12   #9
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Nice article Grahame! Some of those pic in the article also seen here, with additional ones here (a few pages):

http://photo.net/photodb/folder?folder_id=714849&p=2

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Old Saturday 27th June 2015, 13:09   #10
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I am not familiar with the Accipiters of Myanmar, Laos or Cambodia, but to me, 1 & 2 do not look like Besra for the reasons xuky gives: no apparent eye ring and rather thick tarsus. De Candido et al. state for Shikra: 'Juveniles, especially males, have a light greyish head that contrasts with the brown body and back, and a chestnut ‘ear’ patch.' It seems to match juv Shikra better than juv Besra. See eg http://photo.net/photodb/photo?photo_id=17545013
Are we overlooking something?
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Old Saturday 27th June 2015, 13:37   #11
Grahame Walbridge
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Originally Posted by dnsallen View Post
I am not familiar with the Accipiters of Myanmar, Laos or Cambodia, but to me, 1 & 2 do not look like Besra for the reasons xuky gives: no apparent eye ring and rather thick tarsus. De Candido et al. state for Shikra: 'Juveniles, especially males, have a light greyish head that contrasts with the brown body and back, and a chestnut ‘ear’ patch.' It seems to match juv Shikra better than juv Besra. See eg http://photo.net/photodb/photo?photo_id=17545013
Are we overlooking something?
No in answer to your question. Have already messaged Petr re 1a/b for pretty much the same reasons. Compare to 3 (which is a Besra) and the differences are clear. In addition to the features you mention the tail barring is thinner and it looks longer in the wing.
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Old Sunday 28th June 2015, 13:11   #12
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Yes, I also agree now that it is a Shikra. I think that the best visible separating character in these photos is narrower black barring on the outermost tail feathers. The black bars are about a quarter of the breadth of the pale areas in Shikra, about a half in Besra (it is very different in the other tail feathers, which are better visible on the upperside of tail). The pattern of underbody and mesial stripe may be almost identical in these two species.
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