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Re: DINOSAUR BEHAVIOR



On Feb 20, 10:10am, dis@gj.net wrote:
> Subject: Re: DINOSAUR BEHAVIOR
> Brian Franczak wrote:
> >
>
> > No bird or crocodilian species alive today - the groups that
> > phylogenetically bracket dinosaurs -- hunts cooperatively. Only mammals do.
>
> Varanid lizards do what may be called pseudo-cooperative behavior. Water
> moniters run outand start digging on a nile croc nest. Mama croc. chases
> them away.
>       Lots of birds co-opperate, ravens, gulls, and many birds of
> prey. This is seen mainly in family groups.
>

And, at least one population of Nile crocodiles are known to hunt
co-operatively
(for fish).   I posted the details of this behaviour a while ago on this list.

Tony Canning
tonyc@foe.co.uk