Beavers
From Muppet Wiki
Beavers have been featured in several Muppet productions.
Harvey Beaver is a featured character in Emmet Otter's Jug-band Christmas, which also included some unnamed background beavers.
Beavers were part of the Woodland Animals seen from time to time in the later seasons of The Muppet Show.
A beaver, performed by Jim Henson, debuted on The Muppet Show in episode 217, where he cut down the flagpole where Gonzo was playing the bagpipes to Eine Kleine Nachtmusik.
Beavers were also featured on Episode 118 of The Animal Show.

