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Fig. 1. Changes in thermoregulatory behaviour of Crocodylus porosus during
acclimation. At the start of acclimation, all animals heated to the same
maximum body temperature (Tb) during the day (A; means are
shown, and all means ± s.e.m. <0.3°C). At the end of the
acclimation period, crocodiles still displayed their characteristic
thermoregulatory pattern, but maximum body temperatures of cold-acclimated
animals (broken line) were significantly lower (B). During cold acclimation,
maximum body temperatures (C; means ± s.e.m.) and mean daily body
temperatures (D; means ± s.e.m.) decreased significantly.