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Re: T-rex predation



>At 08:27 AM 9/12/97 +1000, Dann Pigdon wrote:
>>       Crocodiles for a start. In some parts of northern Australia
>>crocs feed almost exclusively on the remains of cattle that become
>>bogged in the mud besides waterholes.
>
>That isn't their natural situation.  Here they are taking unashamed
>advantage of a windfall caused by human animal husbandry practices - namely
>our maintenance of herds of cattle far in excess of the natural carrying
>capacity of the land.
>
>Under natural conditions crocodiles are rather aggressive predators,
>specializing in ambush hunting of animals that come down to the water for a
>drink.
>
>[I have seen film of a Nile crocodile taking down a water buffalo - one has
>to be *really* tough to take on one of those beast].

See my earlier post about the seasonality of resources. Water Buffalo are a
classic example. For most of the time crocs are forced to subsist on
scavenge and even invertebrate prey.

Cheers,

Paul


Dr Paul M.A. Willis
Consulting Vertebrate Palaeontologist
Quinkana Pty Ltd
pwillis@ozemail.com.au