In the gamesEdit
In Rayman Raving Rabbids, cows first appear in the mini-game Bunnies don't know what to do with cows, where the Rabbids force Rayman to launch a cow into the air by using a chain. In Bunnies don't milk cows, Rayman must milk a cow. Upon completing all of the minigames, Rayman will be awarded the Golden Cow trophy
In Rayman Raving Rabbids 2, cows
In Rabbids Go Home, cows are a collectible XL object that the Rabbids use to make their pile grow. It is implied that the Rabbids end up saving several of the cows they collect from being slaughtered.
In Raving Rabbids: Travel in Time, a cow appears in the mini-game Dim Flash of Inspiration, in which a Rabbid uses a fire extinguisher to inflate the cow. Several inflated cows can be found throughout the Flyarioum itself. In the mini-game Underwateryoudoing?, a cow lands on the water along with the player's Rabbid, near the end of the mini-game, the cow can be fished. There also seems to be a species of cow called a Çosmo Cow'which is a regular cow wearing an astronaut suit. The Cosmo Cow appears sometimes in space-time vortices as well as the mini-game Apollo Soyuz Sauce
In Rabbids Land, a cow can be placed in the board game setting as a booby trap for other Rabbids.
Cows apear in some viral videos as well
A cow makes a small cameo in the Rabbids comic book: Bwaaaaaaaaah'', in page 34 and 35, where a cow's body is morphed with a Rabbid's head and vice versa.
In the E3 demo for Rabbids Invasion, a Rabbid is seen singing an alien communication song to communicate with a cow, this causes a cow to defecteate on the Rabbid is name Luca.
The only game where Cows do not make an appereance is in Rayman Raving Rabbids TV Party.