Hippopotami

The common hippopotamus, or hippo, is a large, mostly herbivorous mammal in sub-Saharan Africa. The name comes from the ancient Greek for "river horse". After the elephant and rhinoceros, the common hippopotamus is the third-largest type of land mammal.

Songs

 * "Hippopotamus Round," a Sesame Street song.
 * "I Want a Hippopotamus for Christmas," a Christmas song.
 * "There's a Bird on Me," a Sesame Street song sung by Jerry Nelson with an origami-styled animation of a hippo with several birds on him.

Other appearances

 * Ernie wants to see the hippos in the book Who's Who at the Zoo?.
 * In Elmo's World: Up and Down, Elmo sees how many times a hippo can jump on a pogo stick
 * The Detective Series features a segment with a hippo bouncing on a trampoline.
 * A bunch of hippos play hide the hippo in episode 126 of Jim Henson's Animal Show with Stinky and Jake.
 * A hippo appeared in Muppets Tonight episode 103 as one of the animals running away from a lion after "The Lion Sleeps Tonight".
 * A hippo appeared in the acappela music video of "The Muppet Show Theme" released in 2016.