Seasonal variation in energy expenditure, water flux and food consumption of Arabian oryx Oryx leucoryx
Joseph B. Williams1,*,
Stéphane Ostrowski2,
Eric Bedin2 and
Khairi Ismail2
1 Department of Evolution, Ecology and Organismal Biology, Ohio State University, 1735 Neil Avenue, Columbus, OH 43210, USA and
2 National Wildlife Research Center, PO Box 1086, Taif, Saudi Arabia

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Fig. 1. (A) Field metabolic rate and water influx rate (B) of oryx in Mahazat as-Sayd during the summer of 1998 (filled circles) and during the spring of 1999 (open triangles). Lines were drawn using Linear Regression.
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Fig. 2. Minimum rate of oxygen consumption of Artiodactyla. Data are presented in Table4. Open circles represent the oryx (84.1kg) and the camel (407kg). See text for further details.
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© The Company of Biologists Ltd 2001