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Owl Finch - Normal mutation

Pedigree

Father


Mother


Click on above image for high-res view

Owl Finch

Original image copyright: Ross Walker (Ohmi Finch)  近江フィンチ

Species: Owl Finch カノコスズメ
Common names: Owl Finch, Bicheno Finch, Double-bar finch, Clown finch
Genus: Taeniopygia bichenovii
Mutation: Normal ノーマル
Gender: Unknown 不明
Split ring number:  18
Closed ring code:  2017-JPN-C005
Born (day/month/year):  12/1/2016
DB item code: 46363
Notes
(for the bird pictured above): 

Perhaps a hen?
メスっぽいでしょう?
Gender is currently not known. If male, he could be split Cinnamon.
性別はまだ分からない。♂だったら、シナモンスプリットが可能(♂親はシナモンスプリット)。

2017-05-01- Held separately for 5 hours but did not sing, so probably a hen.
5時間の間に、別の籠に一人ボッチにさせたが、囀りをしませんでしたので、多分メスでしょう。

General species notes: The sexes are nearly identical. Most of the visual clues have been "educated guesses" at best for me. The most reliable method of sexing has been to wait for the males to sing their courtship song. Some of the visual clues include: the thickness of the breast bar, the width of the crown and the whiteness of the face mask. In males the breast bar is said to be thicker, the crown of the head wider and the face and upper breast whiter than the females. All of these methods are more reliable if you have a number of birds to look at and compare. Just trying it with one pair is difficult unless you've seen a lot of Owl finches.

There is one subspecies listed for the Owl, T. b. annulosa, or the Black-rumped Owl finch. The only difference that survives of this subspecies in aviculture is the black rump coloration which is autosomal recessive to the nominate form. In the wild there are some other differences in size and tail length, but these have been lost in the crosses with the nominate white-rumped variety. Birds that are the result of a white-rump crossed with a black-rump will show some mottling of the rump color. These birds hold the recessive gene for the black-rump coloration. These birds can then be crossed with other birds showing this mottling or to Black-rumped Owls to produce more of the black-rump color.

Data source: http://www.efinch.com/species/owl.htm


Related Images and Notes





Site copyright: Dr Ross Walker, Shiga, Japan. The information contained on this website is provided as an educational resource.

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