Each spring, millions of monarch butterflies leave their overwintering sites in the Sierra Madre mountains of central Mexico and begin their annual migration north across the United States.
Ecology
Apr 11, 2022
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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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An iconic winged beauty feared to be on the verge of extinction was spotted more around the West last year, including in Colorado.
Plants & Animals
Feb 16, 2022
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Beautiful "supertramp" birds in Southeast Asia are providing unique insights into how evolution is linked to flight ability and competition. New research testing decades-old theories has confirmed that the isolating effects ...
Plants & Animals
Jan 27, 2022
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The number of Western monarch butterflies overwintering in California rebounded to more than 247,000 a year after fewer than 2,000 appeared, but the tally remained far below the millions that were seen in the 1980s, leaders ...
Plants & Animals
Jan 25, 2022
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90
University of New Mexico Ph.D. candidate Ethan Gyllenhaal has been engaged in a series of research projects that use genomic analyses to explain the complex evolutionary processes that take place within and between island ...
Ecology
Jan 10, 2022
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49
Monarch butterflies are famous for their annual long-distance migration, which takes them over several thousand kilometers from the north of the USA to their overwintering habitat in central Mexico. On their migration, the ...
Plants & Animals
Nov 24, 2021
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124
Monarch butterflies and their close relatives thrive on poisonous milkweed, thanks to genetic mutations that block the effects of the plant's toxins while allowing the poisons to accumulate in the caterpillar or adult insects ...
Plants & Animals
Nov 22, 2021
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There is a ray of hope for the vanishing orange-and-black Western monarch butterflies.
Plants & Animals
Nov 17, 2021
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Pre-COVID-19 pandemic, University of Ottawa biology student Megan Reich enjoyed the road trip of a lifetime, crisscrossing the east coast of the United States in search of a specific thrill: Milkweed.
Plants & Animals
Sep 13, 2021
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