Re: Cretaceous taeniodont

["Ivan Kwan" <dino_rampage@hotmail.com>]

So, how did these new Mesozoic mammal species spread widely if their
population was trapped on a small island?  Because of their smaller size,
mammals can "raft" over to the mainland much easier than the medium- to
large-mass dinosaurs could "raft" from the mainland to an island.  Most
typical floating debris bundles probably could support the weight of, at
most,  a Troodon- or Dromaeosaurus- size dinosaur, but only one
individual at a time.  In contrast, that same small debris bundle could
transport a breeding pair of mammals from the island to the mainland.

Or a single pregnant female...

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