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Re: Nocturnal giant dinosaurs and complex archosaur social behavior

This went just to me, but is clearly meant for the list.

On 03.05.2013 18:02, Violet Stamper wrote:

Speaking of nocturnal  adaptations, I've been thinking that
> non-mammalian synapsids may have developed enthothermy as a response
> to being nocturnal. Does any one have any research on whether or not
> we can tell an animal was nocturnal by the skeleton?

Hardly. Eye size is an indicator, but it's not unambiguous (except in extreme cases).