Great auk
From Tardis Wiki, the free Doctor Who reference
The Great Auk - originally called the penguin - was a bird found on Earth. (AUDIO: Last Chance)
Penguins were descended from the Great Auk, which was extinct. (COMIC: Polly the Glot)
While trying to convince the Sea Devils to side with him and eradicate humanity, the Master cited the extinction of the great auk as an example of humanity's destructive impact. (PROSE: Doctor Who and the Sea-Devils)
The Great Auk was worth 800 points in the I-Spyder Book of Earth Creatures if it was spotted. (PROSE: The Last Dodo)
