Stories tagged with "butterflies" | TucsonSentinel.com
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Global warming, pesticides killing off monarch butterflies

Global warming and pesticide use are disrupting the monarch’s migration patterns through Arizona and destroying milkweeds, the food source for its young. The number of migrating monarchs has dropped by as much as 90 percent in two decades. Should they be declared an endangered species?... Read more»

Mutant butterflies linked to fallout from Japan nuclear meltdown

Radioactive fallout from the Fukushima meltdowns has created mutant butterflies, researchers in Japan have said. Scientists say they've detected an increase in mutations in leg, antennae and wing shape among butterflies.... Read more»

Tagging monarch butterflies for science

The monarch butterfly population in the West is declining because of drought and warming climates. Little is known about their migration patterns, but volunteers who tag the monarchs are helping researchers learn more.... Read more»