There was an error published in J. Exp. Biol. (2018) 221, jeb168625 (doi: 10.1242/jeb.168625).
In Figs 2 and 3, the numbers on the x-axis for body mass were incorrect. The corrected figures are shown below.
We apologise to the authors and readers for any inconvenience this may have caused.
© 2018. Published by The Company of Biologists Ltd
2018