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WASHINGTON (Reuters) - The population of butterflies - the beautiful insects that play a vital role in pollination and the health of ecosystems - has fallen in the United States by more than a fifth ...

A fritillary butterfly perches on blooming milkweed at Patuxent Wildlife Research Center in Laurel, Md., June 5, 2019. (AP ...

A new study finds butterfly populations in the US have dropped 22% since 2000 due to pesticides, habitat loss, and climate change. Scientists warn the decline could have major consequences for ...

The population of butterflies - the beautiful insects that play a vital role in pollination and the health of ecosystems - has fallen in the United States by more than a fifth this century, according ...

according to research spanning hundreds of species from the red admiral butterfly to the American lady to the cabbage white. Data from about 76,000 butterfly surveys conducted by various groups ...

A red admiral butterfly stops on a New England Aster flower at the Royal Horticultural Society Garden Wisley, in the village of Wisley, near Woking, England, Oct. 4, 2017. AP File Photo Monarch ...