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Soortgroepen => Wat is dit voor vogel? / Determinatie => Vogels => Hybriden => Topic gestart door: Alcedo atthis op februari 22, 2007, 12:31:28 PM

Titel: Emperor x Bar-headed goose
Bericht door: Alcedo atthis op februari 22, 2007, 12:31:28 PM
http://www.waarneming.nl/foto_details.php?id=42463 (http://www.waarneming.nl/foto_details.php?id=42463)

Hi,I think what we have here is an Emperor x Bar headed Goose (Anser canagicus x indicus), no Anser caerulescens involved...


Titel: Emperor x Bar-headed goose
Bericht door: laatvlieger op februari 22, 2007, 12:37:36 PM
Difficult to say, at least there's Bar headed goose Anser indicus involved.

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Moeilijk te zeggen wat de andere ouder is, maar er zit hier in ieder geval indische gans in.  
Titel: Emperor x Bar-headed goose
Bericht door: Alcedo atthis op februari 22, 2007, 13:52:18 PM
Hi ,

I attached the picture showing the features which are good for Emperor hybrid and two links to a Danish hybrid of Barheaded x Snow goose:

http://www.netfugl.dk/pictures.php?id=show...icture_id=13416 (http://www.netfugl.dk/pictures.php?id=showpicture&picture_id=13416)

http://www.netfugl.dk/pictures.php?id=show...icture_id=13399 (http://www.netfugl.dk/pictures.php?id=showpicture&picture_id=13399)

All Barheaded x Snow goose I have seen up to now did not show clean borders in the black and white pattern on the neck (Whereas all probable Barheaded x Emperor Goose hybrids did - 5 different birds); and also the snow x barhead I have seen photos so far all showed a clear grin patch like snow goose (4 different birds). In Emperorx barhead the grinpatch was not that clear, and in some even absent. In the bird in question here a black grin patch is also not fully developed, I think. One of the main points indicating to emperor is some dark feathering on the white below the tail...  

That is why I think Emperor x Barheaded Goose also for this one...

Best Regards,

Jörn
Titel: Emperor x Bar-headed goose
Bericht door: Jos Welbedacht op februari 22, 2007, 16:28:12 PM
I think you're right, but te bird seemed an escape when I saw him.
He was all alone in April, so I suppose it's from a farmer or something.