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Re: PLEUROCOELOUS VERTEBRAE IN SAUROPODS



In article <199611122216.RAA06700@juliet.ucs.indiana.edu>, Paul Willis
<pwillis@ozemail.com.au> wrote
>GSP1954@aol.com wrote:
>
>> How little most people understand about heat problems in land giants.
>>
>> 1 - Giant animals are not in particular danger of overheating, they store it
>> in the daytime and dump it at night.
>
>Mark raised some problems with this hypothesis.
>
>I also find this a remarkable claim. Studies of really large crocs indicate
>that they would achieve gigantothermic homeothermy at around 5,000kg by not
>being able to dump heat at night. This is in tropical regions of Australia
>where diurnal/nocturnal temperature differences are not huge (10-20 degrees
>centigrade). However, it would still seem that really large animals are
>going to have problems dumping heat at night.
>
A five tonne croc ? I thought that the record is 1114.27 kg (Guinness Book of
Records)

Gautam Majumdar                 gautam@majumdar.demon.co.uk