The eggs laid by two African bird species have evolved different color patterns over a period of just 40 years, according to new research published in The American Naturalist. The quick change appears to be driven by an unwanted ...
Plants & Animals
Apr 16, 2012
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Nature's game of intimidation and imitation comes full circle in the waters of Indonesia, where scientists have recorded for the first time an association between the black-marble jawfish (Stalix cf. histrio) and the mimic ...
Plants & Animals
Jan 4, 2012
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(PhysOrg.com) -- In the world of insects, high risk of attack has led to the development of camouflage as a means for survival, especially in the larval stage. One caterpillar may look like a stick, while another disguises ...
Plants & Animals
Dec 15, 2011
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For 150 years scientists have been trying to explain convergent evolution. One of the best-known examples of this is how poisonous butterflies from different species evolve to mimic each other's color patterns – in effect ...
Evolution
Jul 21, 2011
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Larry Gilbert got hooked on observing butterflies when he was a just a kid.
Plants & Animals
Mar 1, 2011
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(PhysOrg.com) -- Scientists at Harvard University are moving closer to answering some age-old questions. How did the leopard get its spots? How did the zebra get its stripes?
Biotechnology
Feb 24, 2011
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When prowling for a hook up, it's not always the good-looker who gets the girl. In fact, in a certain species of South American fish, brawn and stealth beat out colorful and refined almost every time.
Evolution
Dec 23, 2010
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The vivid colors and designs animals use to interact with their environments have awed and inspired since before people learned to draw on the cave wall.
Plants & Animals
Apr 7, 2010
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(PhysOrg.com) -- Deciphering microscopic clues hidden within fossils, scientists have uncovered the vibrant colors that adorned a feathered dinosaur extinct for 150 million years, a Yale University-led research team reports ...
Archaeology
Feb 4, 2010
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(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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