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Re: Alvarezsaur spurs (was Re: dino-lice)



Good point, Brad...

Sorry for insisting so much with so many messages with speculations:
perhaps the forelimb was used agains eggs in the young, breaking other
eggs with point-pressure. If this was most developed in the young, it
may be that the young based more of its feeding in eggs, and may have
been parasitic in the way cuculids are, put in the nest of other
dinosaurs, possibly with smaller eggs, and armed with a powerful
forelimb with which to break other eggs in the host's nest, in order
to feed on them. Or, if the forelimb was more developed in the young,
may also have helped killing the offspring of the host, or just
breaking their eggs to destroy competition while asking for food.