African Elephant: lighter shade of grey, looks wrinklier than usual
Asian Elephant: looks wrinklier than usual
Bengal Tiger: can be white with brown stripes
Snow Leopard: different-shaped markings
Jaguar: darker shade of orange (or whatever color it is)
Cheetah: two forms of king Cheetah, with different markings
Plains Zebra: two other different stripe patterns
Moose: can be chocolate brown with white ankles
Muskox: can have grey streaks in fur
Markhor: can have shaggier fur
Bison: can be lighter shade of brown
Gemsbok: can have darker, wider stripes on face
Scimitar-Horned Oryx: can have lighter brown patches & horns
Javan Rhino: can have wrinklier shoulder plates
African Wild Dog: comes in 2 other shades of brown with different markings
Sabretooth Cat: can be white with blue eyes or black with green eyes
Ankylosaur: can be different shade of brown
Stegosaur: can be brown or grey
Velociraptor: can be lighter shade of brown
Deinonychus: different shaped markings
Quagga: can have more white stripes on head
Don't think I've missed any. Sorry about this long but informative list.![Smile [:)]](/emoticons/emotion-1.gif)
If all else fails, blame testosterone!