Bats on a Budget: Torpor-Assisted Migration Saves Time and Energy McGuire, Liam P. ; Jonasson, Kristin A. ; Guglielmo, Christopher G. Abstract Publication: PLoS ONE Pub Date: December 2014 DOI: 10.1371/journal.pone.0115724 Bibcode: 2014PLoSO...9k5724M