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About the Cover
Cover:
Infrared thermal image of a South American rattlesnake (Crotalus durissus; top) prior to (middle) and 48áh following (bottom) feeding a meal comprising 32% of its body mass (photographs by Glenn Tattersall). The scale bars show a total temperature range of 2.5¡C, where black is the coldest and white the warmest temperature. Note the uniform increase in body surface temperature in the snake following feeding. The darkest spot in each image is the nose, where evaporative cooling leads to a significant reduction in temperature. See paper by G. J. Tattersall, W. K. Milsom, A. S. Abe, S. P. Brito and D. V. Andrade, pp. 579-585.
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