[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]
Re: attack on dinosaur--horrific video
On Nov 22, 2007 2:02 PM, David Marjanovic <firstname.lastname@example.org> wrote:
> >> Are you certain that ground-nesting birds are generally night-blind?
> > I know an attended ostrich nest is practically immune from predation in
> > the
> > day--but that, if discovered by black-backed jackals, they are invariably
> > destroyed at night, i.e., the ostrich can defend effectively in the day
> > time
> > but not at night.
> That is one. I was talking about "generally".
> But I don't think this will lead us anywhere. With fossils, all evidence we
> have is the relative size of the empty eye socket...
Well, it should lead us to the conclusion that nest predation can't be
all that bad even for night-blind species: else ostriches would have
been exinct long ago.
Why can't you be a non-conformist just like everybody else?