Posted by:
hkt2000
at Tue Sep 14 18:19:00 2010 [ Email Message ] [ Show All Posts by hkt2000 ]
>1) I did some research a few years ago on pigmentation, and in some animals melanins (not erythrins) can produce yellows, oranges and reds. If I remember correctly, the specific animals studied were birds. Pigmentation is (or can be) incredibly complicated, imo. Maybe there are a lot of snakes that are anerythristic, they just don't look like what we expect them to look like. I wonder if anyone has ever done some experiments on BRB skin to see if erythrin is even present?
The different melanins you're referring to are eumelanin and pheomelanin. Eumelanin can further be categorised as black eumelanin and brown eumelanin. Depending on the levels of other pigments present, black eumelanin can impart a grey colouration while brown eumelanin can impart a yellowish colouration.
Pheomelanin produces a reddish-pinkish colouration.
Pigmentation in birds depends on the pigments present, as well as the way light interacts with the structure of the feathers.
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- Boo! - flavor, Mon Sep 13 20:16:32 2010
- RE: Boo! - brick1, Mon Sep 13 20:55:20 2010
- RE: Boo! - flavor, Tue Sep 14 06:11:48 2010
- RE: Boo! - hkt2000, Mon Sep 13 21:01:10 2010
- RE: Boo! - flavor, Tue Sep 14 06:16:37 2010
- RE: Boo! - hkt2000, Tue Sep 14 06:51:06 2010
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- RE: Boo! - Jeff Clark, Tue Sep 14 09:53:04 2010
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- Congrats Mike.... - rainbowsrus, Tue Sep 14 00:16:53 2010
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RE: Boo! - hkt2000, Tue Sep 14 18:19:00 2010
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- Hey Robert Seib...... - rainbowsrus, Tue Sep 14 11:43:18 2010
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