Re: Unidirectional gator breathing in Science

[Tim Williams <tijawi@yahoo.com>]

Don Ohmes <d_ohmes@yahoo.com> wrote:


> Speculation -- It may be that birds and other animals w/ an
> "avian-style" respiratory system aren't as vulnerable to
> breathing problems created by high external pressure on the
> body combined w/ a lower pressure of the air in the
> breathing passages, versus animals w/ a "mammalian-style"
> system. 


What did long-necked plesiosaurs do, I wonder?  Did _Elasmosaurus_ have to 
stick its entire neck out of the water just to gulp some air?


Cheers

Tim