Bird

A bird was a type of animal found on Earth and many other planets. Some intelligent species seem to be descended from birds, like the Jacondan, the Pakoo and the Shansheeth. (TV: The Twin Dilemma, TV: The End of the World, TV: Death of the Doctor) The planet Pheros was inhabited by intelligent metal birds. (TV: The Infinite Quest) The devil-birds of Corbo were robots designed to resemble birds. (PROSE: The Devil-Birds of Corbo)

The Galyari revered birds. The Sixth Doctor used their birds to defeat Voshkar. (AUDIO: The Sandman)

Birds were also used by humans to study the effect of certain chemicals, as in the case of their use to test a new chemical weapon in 1943. (TV: The Curse of Fenric)

Birdie was named after his fondness for birds. (TV: Mutant Copper)

The First Doctor, John and Gillian visited an Earth-like planet inhabited by giant birds which briefly captured them, but they escaped with the aid of an ugly animal. (COMIC: Kingdom of the Animals)