Date: Sun, 21 Jan 2007 17:04:49 +0100
On 1/20/07, David Marjanovic <david.marjanovic@gmx.at> wrote:> this is a protection advantage not needed by mammals (who can > simply run away with baby inside).
"Simply"?
Well, it's easier than running away with a nest ...
aren't pregnant females slower than non-pregnant females?