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Re: Climbing Dromies

 While not advcating the idea of tree climbing dromeosaurs, there are othr
reasons for climbing than hunting for prey in the trees. Climbing up into the
trees is a useful way to get some sleep or eat your food in peace without
having to worry about other predators in the neighborhood. This is primarily
what leopards climb for, I believe. They are well known for dragging sizable
prey into the trees with them so they don't have to worry about sharing and
can enjoy a nice meal in peace. They can also use it as a jumping off platform
onto prey in which the claws would be in perfect position for the claw to do
serious damage on whatever they landed on.

Joe Daniel

Martin Human wrote:

> The anatomy and physics of climbing dromies seems plausible, but what
> are they climbing around in trees _for_? They are fairly sizeable, well
> equipped carnivores, and presumably are so well-equipped to deal with
> prey that is inclined to put up a struggle, which I would assume would
> be rather risky in a tree. I also imagine anything up in a tree would be
> able to leap around, so the dromie would have to be able to outperform
> its prey to survive. Is this scenario then plausible?
> Can anyone identify a likely prey in this scenario? I am assuming that
> in order for such a climbing claw to evolve, the benefit of doing so
> must exist (ie there are very useful juicy food items up there if only
> they can be caught). If not, perhaps we should consider abandoning the
> idea.....
> Is there any similar-sized modern, tree climber actively hunting prey? I
> can only think of martens (there must be others but of the same size as
> a dromie?). Other species preying on tree-dwellers are snakes and
> eagles. What else? Ideas anyone?
> cheers, martin