Re: Dromornithids and size limits.

["James R. Cunningham" <jrccea@bellsouth.net>]

Eric Martichuski wrote:

> However, once a bird gives up the "flight niche" for
> whatever reason, those wings become almost useless.  Penguins managed to
> turn them into flippers, but ostritches, emus, rheas, cassowaries, kiwis,
> dodos and other purely terrestrial birds have pretty much written off two of
> four apendages.

Ostriches still use their wings to assist in turning while running.  Don't know
about the others.Jim