RE: Subterranean strategies

[John Bois <jbois@umd5.umd.edu>]

On Wed, 18 Jul 2001, Ken Kinman wrote:

> A single megapode-like species may have survived because
> of buried eggs,

Birds burying eggs is exceedingly rare.  In all extant species it
is probably a derived behavior.

> Anyway, the fact that tinamous and
> megapodes live in the southern hemisphere is probably no coincidence.
> Geographic location was clearly another big factor, and other variables as
> well, so there are no single, simple answers.

No simple answers?  "A bolide crashed into the planet and caused
effects--whatever they were--that caused the extinction of every species
that disappeared at that time--whoever they were."  This is a simple
answer.