Performing experiments in a river in Trinidad, a team of evolutionary biologists has found that male guppies continue to reproduce for at least ten months after they die, living on as stored sperm in females, who have much ...
Plants & Animals
Jun 12, 2013
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For monarch butterflies, redder wings are correlated with better flight performance, according to research published July 25 in the open access journal PLoS ONE.
Plants & Animals
Jul 25, 2012
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During the Industrial Revolution in 19th-century England, black moths started appearing - because they blended in better on pollution-darkened tree trunks than did normal, speckled moths. Now scientists are closing in on ...
Plants & Animals
Apr 17, 2011
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(PhysOrg.com) -- There are more than 2,000 species of fireflies around the world, many of which are best known for their bioluminescence. Fireflies, which are not flies but beetles, produce flashes of light in order to communicate ...
(PhysOrg.com) -- Breaking up may actually not be hard to do, say scientists who've found a population of tropical butterflies that may be on its way to a split into two distinct species.
Plants & Animals
Nov 5, 2009
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In a vivid illustration of natural selection at work, scientists at Harvard University have found that deer mice living in Nebraska's Sand Hills quickly evolved lighter coloration after glaciers deposited sand dunes atop ...
Evolution
Aug 27, 2009
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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 ...
Ecology
May 12, 2009
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