Obviously, the ch...oh, sorry,
that never happens,
first time, really,

I guess I was just too excited..

So sorry, sorry.

I did, I came first.

Real answer, since there are some that don't get it, the egg:
A worm egg,
a fish egg,
an amphibian egg,
a proto-lizard/dinosaur egg,
a dinosaur egg,
bird egg,
chicken egg --> chicken.