... =7, mean ± s.d .) in summer have a resting metabolic rate (RMR) of 261.4 kJ day –1 , 26 % below allometric predictions, and a total evaporative water loss (TEWL) at 25°C of 25.8 g day –1 , 31 % below predictions. When T a exceeded body temperature ( T b ), the dry heat transfer coefficient decreased...

... alaudipes ), inhabitants of the Arabian desert, by acclimating birds for 3 weeks at 15 °C and at 36 °C, then measuring their BMR and total evaporative water loss (TEWL). Thereafter, we determined the dry masses of their brain, heart, liver, kidney, stomach, intestine and muscles of the pectoral region...