The endangered butterfly Gonepteryx maderensis, commonly called the Madeira brimstone, lives in the mountains of the Madeira islands. As caterpillers, they feed on just one type of tree, which is ...
About a half hour’s drive northeast of downtown Washington, D.C., at the U.S. Geological Survey’s Patuxent Wildlife Research Center, Sam Droege holds court in a lab filled with hundreds of insect ...
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