Tweeters,

Not a pretty sight; re-reading a message you post on the world wide web and
finding a very silly mistake.....

So sorry.

Martin Muller, Seattle

> Supposedly the advantage of breeding with the same partner is that less
> energy has to be invested in courtship and/or pair bond maintenance.
> Also, if you've bread successfully with a partner, chances are you will be
> successful again the following year (you know the other one isn't a
"dud").