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Re: Thou Shalt Not Climb!
As we often see, what I'm asking receives no response...
Some questions are just too tough :-)
I'm honestly asking for any input anyone has on how/why selection
selected for an arboreal lifestyle if the animals were not originally
arboreal. There has to be some idea(s) out there...
I currently think that arboreality came after flight. If I'm right, reasons
for becoming arboreal are easy to imagine: flight opens a whole new world
poor in predators but at least as rich in food as the forest floor -- even
if the animals in question suck at climbing.
That's why most arboreal birds today don't climb: flying has even more
advantages for a small arboreal animal.