“Butterflies have been declining the last 20 years,” said study co-author Nick Haddad, an entomologist at Michigan ... said study lead author Collin Edwards, an ecologist and data scientist ...
“Butterflies have been declining the last 20 years,” said study co-author Nick Haddad, an entomologist at Michigan ... said study lead author Collin Edwards, an ecologist and data scientist ...
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