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Do long migrations keep butterflies healthy?

Butterfly, moth, caterpillar and pupa

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Do long migrations keep butterflies healthy?

Postby green baron » Tue Aug 04, 2009 1:47 pm

August 4 2009

It has long been feared that climate change will enable disease to run rampant through animal populations. A warming world could alter the borders of suitable habitats, leading migratory species to new territory and exposing them to diseases they haven't encountered before. But scientists are only beginning to get their arms around the mechanisms that might allow disease to weaken some populations while others emerge unscathed.

Read on ... look for "Canceled Flights" somewhere in the middle of the page
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