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Plumage

plumage

(Science: zoology) The entire clothing of a bird.

It consist of the contour feathers, or the ordinary feathers covering the head, neck, and body; the tail feathers, with their upper and lower coverts; the wing feathers, including primaries, secondaries, and tertiaries, with their coverts; and the down which lies beneath the contour feathers.

Origin: F, from plume a feather.


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Re: Evolutionary mechanisms

Male birds of species X have bright plumage because those individuals that had it (ancestors) propagated more than those that did not have it. There is no way to prove it since there are no males without bright plumage today. What?????? Sexual ...

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by thoffnagle
Mon Jul 01, 2013 6:04 pm
 
Forum: Evolution
Topic: Evolutionary mechanisms
Replies: 13
Views: 6051

Re: Evolutionary mechanisms

... it from wolves) and breading them... To give you an example of unproven theory of positive selection: Male birds of species X have bright plumage because those individuals that had it (ancestors) propagated more than those that did not have it. There is no way to prove it since there are ...

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by Cat
Sun Jun 30, 2013 4:06 pm
 
Forum: Evolution
Topic: Evolutionary mechanisms
Replies: 13
Views: 6051

Plumage in common blackbird

Hallo everyone I wonder about the inheritance in common blackbird. the female has always brown plumage and the male has black. What is the genetic way it happens? I have a lot of theories...

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by dreamtim
Sun Nov 18, 2012 8:35 am
 
Forum: Genetics
Topic: Plumage in common blackbird
Replies: 1
Views: 749

Re: Epigenetics and Neoteny

... does seem plausible, since epigenetics is used for regulation of timing in development. I would go on to speculate that the development of the plumage was halted, while the rest of the development into adulthood (sexual maturity) continued. And as you stipulated, that plumage was naturally ...

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by kolean
Fri Jun 18, 2010 7:39 pm
 
Forum: Evolution
Topic: Epigenetics and Neoteny
Replies: 5
Views: 5111

Epigenetics and Neoteny

... Diomedea epomophora epomophora the “Southern” Royal Albatross and Diomedia epomophora sanfordi the “Northern” Royal Albatross. In their juvenile plumage stage, the two birds are virtually identical, with upperwings black with very few traces of white. Thye differ slightly in terms of the extent ...

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by jpenhall
Thu Jun 17, 2010 9:11 am
 
Forum: Evolution
Topic: Epigenetics and Neoteny
Replies: 5
Views: 5111
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