From Muppet Wiki

The largest group of mammals on Earth are Rodents. About thirty eight percent of all mammals belong to the order of Rodents. The Muppet Workshop might not make quite the same percentile of rodents per other mammals, but the following are rodents that have appeared in Muppet and Jim Henson Company productions.

Contents 1 Beavers 2 Gophers 3 Guinea Pigs 4 Hamsters 5 Mice 6 Porcupines 7 Prairie Dogs 8 Rats 9 Squirrels 10 Woodchucks

Beavers

BeaverineStatler and Waldorf: From the Balcony	CharlieEmmet Otter's Jug-Band Christmas	Elmo BeaverElmo's World	FergusKermit, Save the Swamp!
Jacques the BeaverBear in the Big Blue House	Morton the BeaverThe Animal Show	Muppet Show Beaver	WinkyMuppets Tonight

Gophers

The Gophers Billy Bunny's Animal Songs

Scooter The Muppet Show

Guinea Pigs

Beaker The Muppet Show

Rodney Dr. Dolittle

Hamsters

Chuckie Sue Sesame Street

Elmo Hamster Elmo's World

Hopalong Hamster Sesame Street

Mice

Big MouseThe Muppets Valentine Show	Bruno Jenkins The Witches	The City Mouse Sesame Street	The Country Mouse Sesame Street
Cousin Whiner Bear in the Big Blue House	Dormouse Alice in Wonderland	Chicken Dormouse The Muppet Show	Dormouse Dreamchild
Elmo Mouse Elmo's World	Mouse Family The Muppet Christmas Carol	Father Mouse Mopatop's Shop	Grandma Flutter Bear in the Big Blue House
Grandpa Highland McTutter Bear in the Big Blue House	Grover as a Mouse A Muppet Family Christmas	Ieniemienie Sesamstraat	Jet Setter Tutter Bear in the Big Blue House
Jinx and GypsyBambaloo	Keisha Bear in the Big Blue House	Klutter Tutter Bear in the Big Blue House	Lily Bear in the Big Blue House
Luke The Witches	Luke Bear in the Big Blue House	Marissa Sesame Street	Meesy Mouse Mopatop's Shop
Mew The Christmas Toy	Miami Mice - Tito and J.P. Sesame Street	Mice Girls Muppets From Space	Miss Maxwell Bear in the Big Blue House
Miss Mousey The Muppet Show	Moosey Mouse Mopatop's Shop	Moss Bear in the Big Blue House	The Mouse King Elmo's Christmas Countdown
Mr. Can You Guess' Mouse Sesame Street	Mother Mouse Mopatop's Shop	Nutter Tutter Bear in the Big Blue House	Rita Mouse Bear in the Big Blue House
Skitter Tutter Bear in the Big Blue House	Spiff Mouse Puppet Up!	Tutter Bear in the Big Blue House	Tutterly T. Tutter Bear in the Big Blue House
Twizzler Tutter Bear in the Big Blue House

Porcupines

Kippi Ben Kippod Rechov Sumsum

The Porcupine Billy Bunny's Animal Songs

Wendell Porcupine Emmet Otter's Jug-Band Christmas

Prairie Dogs

Prairie Dogs The Muppet Show

Rats

The BirdmanMuppets From Space	Bratty RatThe Secret Life of Toys	BubbaMuppets From Space	Buzz the Wharf RatMuppet Beach Party
Chester RatThe Muppets Take Manhattan	Fast EddieMuppets From Space	HubertRat	Indiana RatMuppets Tonight
Masterson RatThe Muppets Take Manhattan	MontagueMuppet Classic Theater	Mr. PlaguemanMuppet Treasure Island	Rhonda RatThe Animal Show
RizzoThe Muppet Show	ShakesMuppets From Space	SplinterTeenage Mutant Ninja Turtles and Teenage Mutant Ninja Turtles II: The Secret of the Ooze	Stan and LouieStatler and Waldorf: From the Balcony
The Surf RatsMuppet Beach Party	Tatooey RatThe Muppets Take Manhattan	TroyMuppets From Space	Yolanda RatThe Muppets Take Manhattan

Squirrels

Elmo Squirrel Elmo's World	Gabe Telling Stories with Tomie dePaola	Squirrels The Muppet Show	Quincy the Flying Squirrel The Animal Show
Skippy Bear in the Big Blue House	The Squirrelles Sesame Street

Woodchucks

Woodchuck Sesame Street

Yancey Woodchuck Emmet Otter's Jugband Christmas