News tagged with monarchs migratory
Mystery of monarch migration takes new turn
During the fall, hundreds of millions of monarch butterflies living in eastern North America fly up to 1,500 miles to the volcanic forests of Mexico to spend the winter, while monarchs west of the Rocky Mountains fly to the ...
May 31, 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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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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Monarch butterflies with a heavy load
(PhysOrg.com) -- Scientists have succeeded for the first time in fitting monarch butterflies with a radio transmitter and in tracking them from an aircraft over a long distance on their flight northwards during ...
Jul 24, 2009 |
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Search results for monarchs migratory
Study reveals how monarch butterflies recolonize northern breeding range
Each year, millions of monarch butterflies (Danaus plexippus) migrate from overwintering grounds in central Mexico to colonize eastern North America, but just how these delicate creatures manage to reach the northern part o ...
Mar 19, 2012 |
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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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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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Long-distance migration may help reduce infectious disease risks for many animal species
It's a common assumption that animal migration, like human travel across the globe, can transport pathogens long distances, in some cases increasing disease risks to humans. West Nile Virus, for example, spread rapidly along ...
Jan 20, 2011 |
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Probing Question: What are wildlife corridors?
Imagine that an unknown force hacks your city into two chunks. Because of this new barrier, you can’t get from your home to your office or the grocery store. Suddenly, your access to critical resources is ...
Dec 10, 2009 |
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Migrating monarch butterflies 'nose' their way to Mexico
The annual migration of monarch butterflies from across eastern North America to a specific grove of fir trees in Mexico has long fascinated scientists who have sought to understand just how these delicate ...
Sep 24, 2009 |
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Female monarch butterflies on 30-year decline in eastern North America
(PhysOrg.com) -- Female monarch butterflies in eastern North America have significantly declined over the past 30 years, a new study by a University of Georgia researcher reveals.
Sep 23, 2009 |
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Genetic basis for migration
Scientists studying Eastern North American monarch butterflies (Danaus plexippus) have uncovered a suite of genes that may be involved in driving the butterflies to migrate towards Mexico for the winter. Their research, publis ...
Mar 31, 2009 |
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Continental plan to protect the monarch's migratory journey
Canada, Mexico and the United States are joining forces to protect and conserve the Monarch butterfly, which has become a symbol of North America's shared environment.
Jun 28, 2008 |
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Monarch butterflies help explain why parasites harm hosts
It’s a paradox that has confounded evolutionary biologists since Charles Darwin published On the Origin of Species in 1859: Since parasites depend on their hosts for survival, why do they harm them?
Biology /
May 14, 2008 |
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List of search results for monarchs migratory
