Experts in Mexico said Tuesday there is a tentative sign of hope for the mass migration of monarch butterflies, whose numbers dropped to their lowest level ever last year.
Ecology
Sep 23, 2014
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As dwindling populations of monarch butterflies prepared for their annual migration, two undergraduate students in the William & Mary Plant Ecology Lab spent their summer trying to more deeply understand the plants upon which ...
Plants & Animals
Sep 12, 2014
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Monarch butterflies are dying off fast, with 90 percent gone in the last 20 years, and they urgently need endangered species protection, a coalition of environmental and health groups said Tuesday.
Ecology
Aug 26, 2014
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Each fall millions of monarch butterflies use a sophisticated navigation system to transverse 2,000 miles from breeding sites across the eastern United States to an overwintering habitat in specific groves of fir trees in ...
Plants & Animals
Jun 24, 2014
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Scientists investigating how one of the greatest shape shifters in the natural world is able to trick predators to avoid being eaten have identified the gene behind the fascinating feat.
Plants & Animals
Jun 11, 2014
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Habitat loss on breeding grounds in the United States – not on wintering grounds in Mexico – is the main cause of recent and projected population declines of migratory monarch butterflies in eastern North America, according ...
Ecology
Jun 4, 2014
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Each fall, millions of monarch butterflies make a spectacular journey from the eastern parts of North America to reach their overwintering grounds in Mexico. Researchers have long known that not all butterflies successfully ...
Plants & Animals
Jun 4, 2014
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High food stress may impact wing size and coloration—both indicators of migratory success—in monarch butterflies, according to results published April 2, 2014, in the open access journal PLOS ONE by Haley Johnson from ...
Plants & Animals
Apr 2, 2014
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Mexico, the United States and Canada have agreed to form a working group on the conservation of Monarch butterflies, whose numbers fell to record lows this year at their wintering grounds in central Mexico.
Ecology
Feb 20, 2014
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The stunning and little-understood annual migration of millions of Monarch butterflies to spend the winter in Mexico is in danger of disappearing, experts said Wednesday, after numbers dropped to their lowest level since ...
Ecology
Jan 29, 2014
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