Slobeend Hybride?

Gestart door August, april 10, 2009, 14:52:51 PM

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August

http://forum.waarneming.nl/smf/index.php?topic=73060.0
Ik dacht aan Australische Slobeend X Slobeend of Slobeend X Blauwvleugeltaling

August van Rijn

Alcedo atthis

The bird in question should be either clypeata x discors or clypeata x cyanoptera.

Both these hybrids show the white half-moon.

See here for clypeata x discors:

http://www.flickr.com/groups/hybridbirds/discuss/72157601790654095/

and here for  clypeata x cyanoptera

http://www.azfo.org/gallery/noshXcite.html

I do not know the full variability of the above mentioned hybrid types yet,

so am not 100% sure what the bird in question is exactly,

but eye and breast colour may be helpfull:

Eye in clypeata x discors tends to be dirty yellow in varying shades, breast tends to be near white or pale beige with fine black patterns, flanks also have fine patterns.

Eye in clypeata x cyanoptera can be yellow or red or any shade of orange in between, breast tends to be similar rusty red as flanks, perhaps slightly paler in some cases, and some fine black spotting can occur on breast, but not necessarily.




Other possibilities in this group seem unlikely to me for the bird in question:

clypeata x platalea does also show the white half-moon, but the ground colour of the head is much lighter and the iridescence seems to be weaker (allways???). however that is also a more shovelerlike bird in terms of bill shape and size.


clypeata x rhynchotis I also would not expect such a dark head, and more contrast between breast and flank, also a very clypeata-like build. For a probable hybrid of that type look here:
(the clypeata-like build in bill and body is also there in pure rhynchotis, see last photo in that thread)

http://www.flickr.com/groups/hybridbirds/discuss/72157607466766340/
greetings,
Jörn Lehmhus