Comparison between pets themed games

The Sims 2: Pets and The Sims 3: Pets share the same concepts, though there are significant differences.

Features in both

 * Cats
 * Dogs
 * Skunks
 * Pet beds
 * The ability to bathe pets
 * Scratch motive for cats

Features in TS2:P not in TS3:P

 * Elder pets
 * Pet jobs
 * Werewolves (probably)
 * Fish bowl (already in The Sims 3 base game)
 * Chew motive for dogs (replaced with the Destruction motive)

Features in TS3:P not in TS2:P

 * Horses
 * Vending Machines (in The Sims 2: Apartment Life)
 * Ice Cream
 * Popsicle
 * Hay Pile
 * Snakes
 * Turtles
 * Lizards
 * Other types of rodents besides the womrat, like chinchilas, squirrels and chipmunks
 * Water bowl
 * Unicorn
 * Pet traits
 * Plastic surgery
 * Thirst motive for pets
 * Deers
 * Racoons