Have the students pick a hybrid animal. They must study both animals and make predictions about the hybrid animal based on their research.
Avatar Animal Alphabet by Chiou. //http://chiou.deviantart.com/art/Avatar-Animal-Alphabet-314995577
Turtle duck. Don't know what this is from, but I feel the need to pin this for some reason.
Momo, Appa, Naga and Pabu in human form - this is actually legitimately epic
Turtle ducks, mother, baby, cute; Avatar: the Last Airbender
Avatar the Last Airbender
Koala Otter | Beginner's Guide To The Outrageous Animals Of "Avatar: The Last Airbender"
Avatar: The Last Airbender
Avatar the Last Airbender/ Legend of Korra: the avatars and their animal companions
The Legend of Korra/ Avatar the Last Airbender: the avatar animals
The Legend of Korra / Avatar the Last Airbender
Cat Owl | Beginner's Guide To The Outrageous Animals Of "Avatar: The Last Airbender"(click through)
Avatar: The last Airbender / Legends of Korra
I ship it. Not romantically or anything, but a Badgermole would make a bad ass companion.