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Re: Sickle-claws (was RE: a little background)

> > I'd like to think that the large, recurved claw on the toe of the
> > cassowary would serve very well as an analogy,

It's almost straight.

> It's also
> possible that smaller dromies used the sickle-claw as a tree-climbing aid,
> an idea suggested by Chatterjee (though he may not have been the first).

Chatterjee does suggest small, early "protodromaeosaurs" = "protoavians"
climbed tree trunks. He does not mention the sickle-claws at all in this,