Parrot

A parrot was a type of bird native to Earth.

They were known for the habit of mimicking and repeating voices. The Doctor once compared Leela to one when she started repeating what he said. (DW: The Invisible Enemy)

Pirates were frequently associated with pet parrots. The Captain of Zanak had a Polyphase Avatron, a parrot-like robot. (DW: The Pirate Planet)

When trying to identify a picture of a Krafayis, the Doctor's device identified it as a parrot and a polar bear. (DW: Vincent and the Doctor)

The Shopkeeper had a pet parrot that he called "Captain". (SJA: Lost in Time)