Flying Higher (IMAGE) University of California - Davis Caption California butterflies are reeling from a one-two punch of climate change and land development, says an unprecedented analysis led by UC Davis butterfly expert Arthur Shapiro. In one example, this butterfly, the Clodius Parnassian (Parnassius clodius), is more common at the top of its elevation range in California mountains than in the past. Credit Heather Dwyer / UC Davis Usage Restrictions Must be credited: Heather Dwyer / UC Davis License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.