Today the Royal Society Proceedings B published a study on hovering metabolic rate allometry and efficiency in hummingbirds that was done in collaboration with the Powers Lab. lead author on the study was Dr. Derrick Groom, who at the time was a graduate student in the laboratory of Dr. Ken Welch. Full text of the paper can be found at:
https://royalsocietypublishing.org/doi/10.1098/rspb.2017.2011
