Here are two I came up with on the WotC boards a while back:
Bovine Moreau
Covert: +2 Con, -2 Int
Moderate: +2 Con, -2 Int, +2 Str, -2 Dex
Overt: +4 Con, -4 Int, +2 Str, -2 Dex
Species Traits:
Endurance (Ex): Bovine Moreaus gain the Endurance Feat for free.
Horns (Ex) Overt Bovine Moreaus...