Posted by: Sandy Steinman | December 30, 2020

Don’t Get Between a Caterpillar and Its Milkweed

The New York Times reports

When food gets scarce, monarch butterfly caterpillars will turn on each other, duking it out for the rights to grub, according to a paper published Thursday in the journal iScience. The jousts don’t get bloody. But they involve plenty of bumping, boxing and body-checking — all the makings of a big brawl of babies, in a hurry to bulk up before they sprout their grown-up wings.

Read more at  Don’t Get Between a Caterpillar and Its Milkweed – The New York Times


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