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Re: Alvarezsaurid arms was Re: JFC-Bloodiest Battle ??
Then again, maybe they are used in locomotion. They could function
like a tree surgeon's boot spike to hold onto the bark of trees while
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
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.