Dog

A type of animal that Link sees in his adventures,but they like Cuccos they are just animals,no requirence to the quest.However, in the Castle Market in Zelda:Ocarina of Time,at night their is tons of Dogs if Link find a certain white dog and returns it to his owner(that lady you see during the day) you will get a Piece of Heart.

In Majora's Mask, there is a dog in South Clock Town and in Romani Ranch(Termina's Lon Lon Ranch)there is a "Doggy Racetrack",that you can get a Piece of Heart if you win 150 Rupees.Note: Use the Mask of Truth and find the dog that thinks he'll win.And when the Aliens invade the ranch,you can see a dog barking at the aliens.

Trivia

 * When Link wears the Deku Mask,dogs will attack him,Goron Mask-Dogs will growl,then try to run away from Link and Zora Mask-Dogs will run to Link,possibly because Link smells like fish.


 * When,Link's a Adult the lady is at Kakariko Village,mentions that the dog's name is Richard,but while Link was being in the realm,the dog must have died.