O'Connor, Ryan S.Wolf, Blair O.Brigham, R. MarkMcKechnie, Andrew E.2018-01-112017-04O’Connor, R.S., Wolf, B.O., Brigham, R.M. et al. Avian thermoregulation in the heat : efficient evaporative cooling in two southern African nightjars. Journal of Comparative Physiology B (2017) 187: 477-491. https://doi.org/10.1007/s00360-016-1047-4.0174-1578 (print)1432-136X (online)10.1007/s00360-016-1047-4http://hdl.handle.net/2263/63472Please read abstract in the article.en© Springer-Verlag Berlin Heidelberg 2016. The original publication is available at : http://link.springer.comjournal/360.Resting metabolic rate (RMR)ThermoregulationEvaporative water loss (EWL)RespirometryRufous-cheeked nightjars (Caprimulgus rufigena)Freckled nightjars (Caprimulgus tristigma)Metabolic heat production (MHP)Total evaporative water loss (TEWL)Postprint Article