List of animals

The following are lists of animals native and natural to human, Covenant, and Forerunner worlds.

Native on Covenant worlds

 * Covenant koi
 * Covenant pest
 * Doarmir
 * Helioskrill
 * High Charity bird
 * Mud wasp
 * Scrub grub
 * Shade crab
 * Thorn Beast
 * Unidentified aquatic creature
 * Zap-jelly

Found on Forerunner worlds

 * Butterfly (Installation 00)
 * Forerunner bird
 * Elephant fish
 * Fireflies
 * Fish (Installation 05)
 * Merse
 * Moths
 * Red Eagle
 * Sea worm
 * Fish (Unknown Installation)

Unknown origin

 * Arctic Beast
 * Arctic Ice Hound
 * Eel-Snake Creature
 * Space Owl