The Thermal Tolerance of a Dolphin

Almost all species of dolphins are covered in something called rake marks which is when a dolphin bites another dolphin and like drags its teeth across it. A study said that because dolphin brains have much smaller prefrontal cortices than humans and hippocampal regions all that extra brain matter might not be going toward cognition but just keeping its noggin warm. Their skin is very similar to ours in terms of all the receptors it has on it for you know light touch or whatever It's very very sensitive especially around the blowhole where they need to go up to the surface to breathe.

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