Re: sauropods: homotherm,heterotherm or gigantotherm?

[David Marjanovic <david.marjanovic@gmx.at>]

> If the connection holds, the argument would probably go like this:
>
> 1. Large animals have to use food with a small nourishing value
> 2. Thus they need proportionally more food than small animals
> 3. Thus they need to be actively feeding over a large amount of
>   time per day
> 4. Thus they have to have high endurance
> 5. Thus they have to be endothermic.

The argument is much simpler: if they are big, they need high endurance 
_just to carry their weight_ on land.