USA TODAY:
A study of beleaguered butterflies in California provides some of the best clues yet as to how other animals may react to climate change, scientists say.
The unprecedented, 35-year analysis of butterfly populations in the Sierra Nevade details how several species are fleeing to higher elevations to escape warming temperatures…
A separate study published in September in Biology Letters said climate change was one possible explanation for a sharp decline in female monarch butterflies in the eastern United States and Mexico. British researchers have tracked a decline in several species of butterflies since the 1960s.
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