Fig. 2From: Different solutions lead to similar life history traits across the great divides of the amniote tree of lifeBody mass of amniotes. Masses (in grams) are maxima for ectotherms and means for endotherms. Red: birds, blue: squamates, purple: turtles and yellow: mammals (both placentals and marsupials). Note that the x axis is log10 scaledBack to article page