Gamera: Guardian of the Earth

Gamera: Guardian of the Earth is a Japanese animated series by Kadokawa Daiei Studio.

Synopsis
When massive flocks of mysterious, flying creatures appear all around the world, an ancient guardian creature awakens to fight them.

Monsters

 * Gamera - The titular monster, he is a prehistoric turtle monster who for unknown reasons hunts down the Gyaos.
 * Gyaos
 * Albino Gyaos