MDN wrote:NOBORIBETSU, Hokkaido -- Growing numbers of the popular King Penguins at a marine park here are pairing off into same-sex couples, officials said.
Officials at the Noboribetsu Marine Park Nixe are scratching their heads over why penguins of both genders are choosing same-sex partners instead of breeding.
... However, the park has always had more male than female penguins. Of its 12 birds, eight are male, three female and the remaining bird's sex remains unknown ... more
I can't tell the buggers apart, and it sounds like the zoo can't either - maybe they can't even tell eachother apart!

But then there's this ...
