Beaver

The Beaver is a small, buck-toothed, brown-furred animal that makes appearances throughout Total Drama Island.

Theme Song
A beaver appears in the theme song for Total Drama Island when a camera from underground pops up with a beaver on it.

The Big Sleep
At a river, several beavers are seen building a dam, using a sleeping Owen as a material.

Wawanakwa Gone Wild!
A beaver bites Chris. Chris was about to curse at the beaver, but decided to stop mid-sentence. During the challenge this episode, Geoff was assigned to catch a beaver.

The Very Last Episode, Really!
A beaver was seen when Owen was sliding down a pole.

Total Drama, Drama, Drama, Drama Island
Harold mentions beavers repeatedly throughout the start of the episode, mentioning that he has diaries and sketches about beavers and how they differ to rats. Later in the episode, Heather crashes through the roof of a beaver dam after a hang gliding incident, and then yells at the beavers, who proceed to repeatedly smack her head with their tails.

Trivia

 * As shown in the Total Drama Island special, Harold knows a lot about beavers.
 * The beavers have attacked every person they come in contact with.
 * Three out of four attacks have been in Wawanakwa Gone Wild! as it was a challenge that involved animals.
 * They may have rabies, as hinted in Wawanakwa Gone Wild! when the beaver bit Chris, Chris shouted he is going to need a rabies shot.
 * The beaver is one of many animals to only appear in one season.