Seals

Seals, formally known as pinnipeds, are carnivorous, fin-footed, marine mammals.

Other seals

 * Two seal acts were meant to perform on The Muppet Show, but never appeared: Sonia and Her Singing Seals in episode 101 and Adolf Nureyev's trained seals in episode 204.


 * A baby seal appeared in the Mopatop's Shop episode "Horns"


 * Jim Henson's Creature Shop built an animatronic seal for the stage version of Doctor Dolittle.


 * A seal appears in The Ghost of Faffner Hall episode "The Voice Is an Instrument".