Monarchs Reared in Winter in California Are Not Large Enough to Be Migrants. Comment on James et al. First Population Study on Winter Breeding Monarch Butterflies, <i>Danaus plexippus</i> (Lepidoptera: Nymphalidae) in the Urban South Bay of San Francisco, California. <i>Insects</i> 2021, <i>12</i>, 946

Abstract

A recent study in this journal aimed to understand certain changes in the wintering behavior of monarch butterflies, specifically in the western subpopulation of North America [...]

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