Fig. 3. Metabolic rate (A,B), total evaporative water loss (TEWL) (C,D) and body temperature (T_b) (E,F) of captive-reared Houbara bustards during summer (open circles, solid lines) and during winter (filled circles, dotted lines) and of wild birds during winter (filled squares, dashed lines) at 35 (A,C,E) and 50°C (B,D,F). Significant differences among groups are indicated in the top left corner: NS, not significant; *P<0.05; **P<0.01.

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