Re: Alvarezsaurid arms was Re: JFC-Bloodiest Battle ??

[Dan Chure <danchure@easilink.com>]

Nice point.  We do need to be aware of tunnel vision.

Dan

Dann Pigdon wrote:
> There is of course always the possibility that Alvarezsaur forelimbs weren't used for feeding 
> behaviours at all. It's possible they were used primarily for intraspecific wrestling matches, like an 
> archosaurian kangaroo. 
>
> Fighting for social dominance or access to mates can be just as important as eating - in fact 
> sometimes more important. Antechinus males expend so much energy fighting other males and 
> mating with females (for up to twelve hours at a time!) that they don't have enough time to eat 
> properly, and so rarely live as long as a year. They even go as far as supressing their immune 
> system and converting vital proteins into food so as to maximise their short-term energy output.
>
>
>