TY - RPRT TI - Torpor duration, more than temperature, is key to hummingbird nighttime energy savings AU - Shankar, A. AU - Schroeder, R. J. AU - Wethington, S. M. AU - Graham, C. H. AU - Powers, D. H. PY - 2018 DO - 10.1101/383679 UR - https://www.biorxiv.org/content/10.1101/383679v1 ID - 10.1101/383679 ER -