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Re: DINOSAUR digest 3384
<<In the proposed scenario of heat radiation coming from the cloudless sky,
dinosaur needs not swim to survive. It is enough to submerge in shallow
water, which will conduct heat absorbed by the body. The same scenario
explains why crocodilians survived.>>
Nobody proposed a scenario with a cloudless sky, Jerzy, seeing as the
authors explicitely mentioned the possible screening effects of cloud cover.
We know many crocs are very good at staying submerged, but I don't know of
good evidence showing the same for non-birdy dinos.
<<Number of tracks of swimming dinosaurs were discussed on this list few
I know, but that's hardly evidence for semi-aquatic adaptations or abilities
at staying submerged (or indeed burrowing).