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Latest Elizabeth Derryberry Stories

2009-06-12 14:22:04

Post-doctoral researcher finds birds alter songs in reaction to habitat change Elizabeth Derryberry, post-doctoral researcher at the LSU Museum of Natural Science, has found a link between alterations in bird songs and the rapid change in the surrounding habitat. Her research will be featured in the July 2009 issue of the American Naturalist.Derryberry, a behavioral ecologist, has studied this phenomenon since her time as a graduate student at Duke University, where she discovered tapes from...

2009-05-21 15:34:07

A U.S. biologist says she has discovered bird songs can change as a bird's habitat changes. Elizabeth Derryberry said she made her discovery while conducting her dissertation research at Duke University. She said as vegetation reclaimed formerly cleared land in California, Oregon and Washington during the last 35 years, male white-crowned sparrows have lowered their pitch and slowed their singing so that their love songs would carry better through heavier foliage. This is the first time that...

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2009-05-20 13:45:47

Just as a changing radio landscape has made it tough for Foghat to get much airplay these days, so it is for birdsongs according to new research published in The American Naturalist. Behavioral ecologist Elizabeth Derryberry (Louisiana State University) has found that the songs of white-crowned sparrows change over time in response to changing habitats. The research sheds light on the factors that drive the evolution of mating signals in birds. Derryberry says she first noticed that sparrows...


Word of the Day
cacodemon
  • An evil spirit; a devil.
  • A nightmare.
  • In astrology, the twelfth house of a scheme or figure of the heavens: so called from its signifying dreadful things, such as secret enemies, great losses, imprisonment, etc.
'Cacodemon' comes from a Greek term meaning 'evil genius.'
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