News tagged with monarch
Fruit flies watch the sky to stay on course
Insects, equipped with complex compound eyes, can maintain a constant heading in their travels, some of them for thousands of miles. New research demonstrates that fruit flies keep their bearings by using ...
Jan 17, 2012 |
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Draft sequence of monarch butterfly genome presented
Each fall millions of monarch butterflies from across the eastern United States use a time-compensated sun compass to direct their navigation south, traveling up to 2,000 miles to an overwintering site in ...
Nov 23, 2011 |
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Habitat loss imperils monarch butterflies
If you see a monarch butterfly lighting in your backyard this year, take an extra moment to enjoy it.
Jul 26, 2011 |
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From butterflies, some lessons about life -- and death
If you were to catch Loretta Downs loping through the shoulder-high milkweed along her alley fence come the end of June, you might not realize she was searching for something so sacred it leaves her speechless.
May 26, 2011 |
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Circadian rhythms spark plants' ability to survive freezing weather
Just as monarch butterflies depend on circadian cues to begin their annual migration, so do plants to survive freezing temperatures.
Apr 12, 2011 |
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Global warming may reroute evolution
(PhysOrg.com) -- Rising carbon dioxide levels associated with global warming may affect interactions between plants and the insects that eat them, altering the course of plant evolution, research at the University ...
Feb 16, 2011 |
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Butterflies make partial comeback in Mexico
(AP) -- Experts are reporting a partial recovery in the annual winter migration of Monarch butterflies to Mexico following a devastating 75 percent drop last year.
Feb 14, 2011 |
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Brain 'GPS' illuminated in migratory monarch butterflies
A new study takes a close look at the brain of the migratory monarch butterfly to better understand how these remarkable insects use an internal compass and skylight cues to navigate from eastern North America to Mexico each ...
Medicine & Health / Neuroscience
Jan 26, 2011 |
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Reserve saves trees but not monarch butterflies
(AP) -- This small patch of mountain fir forest is a model of sorts for the global effort to save trees and fight climate change. The problem is that saving trees has not saved the forest's most famous visitors: ...
Nov 27, 2010 |
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Monarch butterflies use medicinal plants to treat offspring for disease: study
(PhysOrg.com) -- Monarch butterflies appear to use medicinal plants to treat their offspring for disease, research by biologists at Emory University shows. Their findings were published online Oct. 6 in the ...
Oct 11, 2010 |
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Research reveals how monarchs fly away home
Monarch butterflies -- renowned for their lengthy annual migration to and from Mexico -- complete an even more spectacular journey home than previously thought.
Jul 26, 2010 |
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As monarch butterflies journey north, gardeners can help protect species, researcher says
It has been a hard winter for Monarch butterflies, according to Chip Taylor, director of Monarch Watch at the University of Kansas. Taylor said that low temperatures, storms and habitat destruction have all threatened the ...
May 10, 2010 |
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Study finds that long-distance migration shapes butterfly wings
A University of Georgia study has found that monarch butterflies that migrate long distances have evolved significantly larger and more elongated wings than their stationary cousins, differences that are consistent with traits ...
Feb 11, 2010 |
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Butterflies seek higher ground to escape warmer temperatures
A study of beleaguered butterflies in California provides some of the best clues yet as to how other animals may react to climate change, scientists say.
Feb 08, 2010 |
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Monarch butterflies reveal a novel way in which animals sense the Earth's magnetic field
Building on prior investigation into the biological mechanisms through which monarch butterflies are able to migrate up to 2,000 miles from eastern North America to a particular forest in Mexico each year, ...
Jan 25, 2010 |
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