It's very damn clear what happened here, the Judge was inclined and heavily hinted to believe that the monkey took the photo, monkeys can't have a copyright as they aren't human, so that would mean that neither PETA nor the guy who owned the camera was going to be able to claim copyright on the picture, so PETA and the Photographer seeing their cow disappear agreed to this... PETA gets a cut and the Photographer doesn't officially have his copyright stripped.
It's very damn clear what happened here, the Judge was inclined and heavily hinted to believe that the monkey took the photo, monkeys can't have a copyright as they aren't human, so that would mean that neither PETA nor the guy who owned the camera was going to be able to claim copyright on the picture, so PETA and the Photographer seeing their cow disappear agreed to this... PETA gets a cut and the Photographer doesn't officially have his copyright stripped.