Yellow redbrow

Normal and lesser Red Browed.
Includes Species Profile.
User avatar
Craig52
...............................
...............................
Posts: 4979
Joined: 11 Nov 2011, 19:26
Location: victoria

[quote="Myzomela"]There also appears to be a lot of barring on the tail feathers. It would be interesting to see if the feather structure is normal or just the pattern in which the pigment is deposited in the feather is abnormal

I may be wrong but I think this is abnormal in this species.

The faded colour, white tips to the wing feathers & the barring (if abnormal) suggest some metabolic abnormality and impaired ability to develop normal pigment, even though the bird itself appears healthy.

I have seen birds with similar pigment abnormalities in other species. The less severe ones eventually moult back to normal. The more severe ones seem to die prematurely.

Time will tell if it is an acquired change due to some abnormaility/illness/deficiency or if indeed it is a mutation.

Hopefully, Natamambo, it's the latter!!
I had the chance of buying so called yellow diamond a few years ago,the red was similar,if not a lot oranger than that redbrow.This person asked me to catch all the diamonds in the aviary so we could sex them,ring them and release them back in the aviary.Surprisingly,every bird i caught had some yellow/orange in their red rumps.I did notice that the only seed these birds were being fed was canary seed.
The cock full yellow/orange bird i purchased reverted back to the normal red in a few months on a mixed diet of seeds,greens etc and i wasn't a happy chappy.
I've got a fair idea that birds fed canary or even just wheat,can have an effect on pigment colour and both these seeds can effect reds and greens,am i right Myzomela. Craig
User avatar
vettepilot_6
^^^^^^^^^^^^^^
^^^^^^^^^^^^^^
Posts: 2826
Joined: 07 Aug 2011, 17:50
Location: Childers
Contact:

Have seen that happen to Chestnut Finches...fed a diet of canary seed and their belly feathers were black..
The Bitterness of Poor Quality Remains Long after the Sweetness of Cut Price is Forgotten
natamambo
...............................
...............................
Posts: 1253
Joined: 19 Dec 2010, 23:16
Location: Melbourne

Craig, I know there are cases when diet can effect birds. Mine get far more than just canary and at the moment are even hopping in to the maggots so hopefully they're getting ready to nest. I'm also positive they go a varied diet at Gomer's.

The hen in the same flight is unaffected so if it's not a mutation then metabolism is the more likely cause. Of course most such mutations are modified metabolisms it's just that the altered metabolism is caused by genes that are passed to future generations.
User avatar
Craig52
...............................
...............................
Posts: 4979
Joined: 11 Nov 2011, 19:26
Location: victoria

That maybe true Natamambo but the bird or birds maybe just eating the one desired seed or am i just picking at straws here,any how it's just my opinion. Cheers Craig
natamambo
...............................
...............................
Posts: 1253
Joined: 19 Dec 2010, 23:16
Location: Melbourne

If he is Craig, he's leaving an awful lot of the mix. The one I'm buying at present comes from that guy from Shepp at the sales and it's 50% pannicum (red and white) from memory, 30% canary and the rest a mixture of the other stuff.

I'm prepared to accept that it may be "just that bird". However, by discussing this we help each other whenever something strange appears in our flocks, and maybe, just maybe, to quote Holmes, "Once you eliminate the impossible, whatever remains, no matter how improbable, must be the truth".
User avatar
GP Finches
...............................
...............................
Posts: 49
Joined: 11 Jul 2011, 18:01
Location: Gorokan, NSW

What do you think of this little guy. The body is a little darker than normal and the yellow make the bird quite attractive.
You do not have the required permissions to view the files attached to this post.
User avatar
Craig52
...............................
...............................
Posts: 4979
Joined: 11 Nov 2011, 19:26
Location: victoria

Ok,i am prepared to say that is a yellow mutation redbrow,simply because you mentioned the darker body colour as the yellow i had quite a few years ago had a very dull grey body.It is the case with yellow mutation diamonds as well,being yellow and not red,seems to drag out any of the the brighter colours in the whole body.
I would like to know the history of your yellow redbrow GP Finches as mine was trapped out of the wild many years ago and as i couldn't breed it i gave it to a mate in Newcastle and i don't think he bred it either. Cheers Craig
Last edited by Craig52 on 30 Sep 2012, 21:07, edited 1 time in total.
User avatar
finches247
^^^^^^^^^^^^^^
^^^^^^^^^^^^^^
Posts: 2546
Joined: 04 May 2011, 20:16
Location: Whangarei Northland New Zealand

GP Finches 95% sure that looks like a mutation.Nice Colouring. :thumbup:
User avatar
finchbreeder
^^^^^^^^^^^^^^
^^^^^^^^^^^^^^
Posts: 11489
Joined: 27 Jun 2009, 20:00
Location: Midwest of West. Aust. Coast
Location: Midwest of West.Aust.Coast

Would like to hear more about everyones yellows, just to know how they turned out and if they bred. Thanks
LML
LML
User avatar
mattymeischke
...............................
...............................
Posts: 862
Joined: 25 Jul 2011, 20:25
Location: Southern Tablelands of NSW

Here's another:
yellowbrow.jpg
yellowbrow2.jpg
You do not have the required permissions to view the files attached to this post.
Avid amateur aviculturalist; I keep mostly australian and foreign finches.
The art is long, the life so short; the critical moment is fleeting and experience can be misleading, crisis is difficult....... (Hippocrates)
Post Reply

Return to “Red Browed”