A hallmark of summer, monarch butterflies are a familiar sight in the Midwest, and many butterfly enthusiasts are eager to do what they can to support the declining monarch population. A new study at the University of Chicago ...
Plants & Animals
Aug 4, 2020
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2665
Each year, millions of monarch butterflies migrate across eastern North America to fly from as far north as the U.S.-Canadian border to overwinter in central Mexico—covering as much as 3,000 miles. Meanwhile, on the other ...
Ecology
Jul 29, 2020
0
547
New evidence identifies 64 pesticide residues in milkweed, the main food for monarch butterflies in the west. Milkweed samples from all of the locations studied in California's Central Valley were contaminated with pesticides, ...
Ecology
Jun 8, 2020
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8038
People handle monarch butterflies. A lot. Every year thousands of monarch butterflies are caught, tagged and released during their fall migration by citizen scientists helping to track their movements. And thousands of caterpillars ...
Plants & Animals
Apr 15, 2020
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572
Mexico's forests this winter received 53% fewer monarch butterflies, a species that migrates south from Canada and the United States, according to figures published this week.
Ecology
Mar 16, 2020
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12
The western monarch butterfly population wintering along California's coast remains critically low for the second year in a row, a count by an environmental group released Thursday showed.
Ecology
Jan 23, 2020
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34
Biologists at Texas A&M University are making strides in understanding biological clock function in several model organisms and translating these studies into broader implications for human health.
Plants & Animals
Dec 6, 2019
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1088
Monarch butterflies are moving south through Texas on their annual autumn migration to overwintering sites in Central Mexico, but millions die in collisions with vehicles while flying low across Texas highways. Monarch numbers ...
Plants & Animals
Nov 5, 2019
2
333
A monarch butterfly had just emerged from its chrysalis when Emilie Snell-Rood reached into its cage, grabbed it carefully to take measurements and photographs, then placed it inside a tall and breezy tent. There it would ...
Plants & Animals
Sep 3, 2019
0
32
The fact that millions of North American monarch butterflies fly thousands of miles each fall and somehow manage to find the same overwintering sites in central Mexican forests and along the California coast, year after year, ...
Plants & Animals
Jul 24, 2019
0
43
