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Red-collared widowbird - Wikipedia
The red-collared widowbird has one of the highest measured plumage carotenoid concentrations in birds. [12] There is a high presence of lutein and zeaxanthin in the feathers, which is consistent with their high dietary consumption of grass seeds. There is a carotenoid basis of 'redness' observed in the bird, and studies suggest that its color production is due to enzymatic conversion of dietary...
Date: 2017-03-25 18:58:37
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Related topics : bird with long tail south africa / colorful bird with long tail feathers / long tailed widowbird male / brown bird long tail feathers / blue bird long tail feathers
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