Unlike their colorful wings, the future of Monarch butterflies may not be too bright and their numbers are expected to be alarmingly down again this year, says a Texas A&M University researcher.
Ecology
Mar 21, 2012
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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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Monarch butterflies, among the most iconic insects in North America, are increasingly plagued by a debilitating parasite, a new analysis shows. The Journal of Animal Ecology published the findings by scientists at Emory University ...
Ecology
Apr 13, 2022
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Arguably, one of the world's most famous insects, the monarch butterfly, is currently experiencing dire problems with its migration in eastern North America. Fewer and fewer monarchs are successfully reaching their overwintering ...
Ecology
Jan 2, 2019
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The number of Monarch butterflies making it to their winter refuge in Mexico dropped 59 percent this year, falling to the lowest level since comparable record-keeping began 20 years ago, scientists reported Wednesday.
Ecology
Mar 13, 2013
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For monarch butterflies, redder wings are correlated with better flight performance, according to research published July 25 in the open access journal PLoS ONE.
Plants & Animals
Jul 25, 2012
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A new study of the Monarch butterflies' winter nesting grounds in central Mexico says small-scale logging is worse than previously thought and may be contributing to threats facing the Monarch's singular migration pattern.
Ecology
Sep 9, 2013
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Researchers have identified a species of milkweed that holds promise for planting on roadsides to improve conservation habitat for migrating monarch butterflies.
Plants & Animals
Feb 22, 2022
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Conservation organizations across the United States plant milkweed to combat the loss of monarch butterflies, whose populations have declined around 90 percent in the last two decades. Where they plant may be important, according ...
Plants & Animals
Jun 27, 2019
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Scientists studying monarch butterflies have traditionally focused on two sources for their decline—winter habitat loss in Mexico and fewer milkweed plants in the Midwest.
Ecology
Mar 18, 2019
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