Flight costs of long, sexually selected tails in hummingbirdsDOI: info:10.1098/rspb.2009.0090v. 276No. 1664ROYAL SOC2109–2115
Clark, Christopher James and Dudley, Robert K. 2009. "Flight costs of long, sexually selected tails in hummingbirds." Proceedings of the Royal Society B: Biological Sciences, 276, (1664) 2109–2115. https://doi.org/10.1098/rspb.2009.0090.