News tagged with color variation

Video: The chemistry of redheads

St. Patrick's Day evokes thoughts of all things often associated with the Irish—including red hair. Chemically speaking, what sets redheads apart from the crowd is pigmentation—specifically melanins.

dateMar 14, 2017 in Other
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Predators ignore peculiar prey

Rare traits persist in a population because predators detect common forms of prey more easily. Researchers writing in the open access journal BMC Ecology found that birds will target salamanders that look like the majority ...

dateMay 12, 2009 in Ecology
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