Yet another opportunity to repost. Last time, I promise!
That's the first stage of reproduction, I guess. Look at their flashy markings.
(
gnu2000,
Mon 19 Apr 2004, 22:40,
archived)
Which ones
the male?
(
wupwupwup wupwupwup,
Mon 19 Apr 2004, 22:45,
archived)
There's only one sex.
Or, precisely speaking, none.
(
gnu2000,
Mon 19 Apr 2004, 22:46,
archived)