1. 1.|The temperature preference of Bufo marinus in a linear thermal gradient over a 24 h period was measured in the spring using uniform light (UL) over the length of the gradient and in the spring and fall using a point source of light over the hot end of the gradient only (LH). 2. 2.|The temperature preference of Bufo cognatus in a linear thermal gradient was measured over a 24 h period during the fall with the LH regime. 3. 3.|Light regime and season had no effect on the mean body temperature (Tb) selected over a 24 h period in B. marinus. The pattern of temperature selection over time was influenced by season. 4. 4.|Temperate B. cognatus selected significantly higher mean Tbs that the tropical B. marinus and selected significantly [...]
