Zoan Devil Fruits

Ox Ox Fruit, Ox Ox Fruit: Bison Model
Dalton

Allows the user to turn into a bison or human/bison hybrid. In the English dub, the user turns into an ox or a human/ox hybrid.
"Ushi" means "cow".



Human Human Fruit
Tony Tony Chopper

If the user is an animal, allows the user to turn into a human, and gives him or her a human's intelligence. Oda stated in a SBS column that a human user would simply become "enlightened".
"Hito" means "person".


Falcon Falcon Fruit, Tweet Tweet Fruit
Pell

Allows the user to turn into a falcon or human/falcon hybrid at will. It is one of the five known devil fruits that allow the user to fly.



Bark Bark Fruit, Mutt Mutt Fruit: Model Dachsund
Lassoo (Mr. 4's gun)

Allows the user to turn into a dachshund or human/dachshund hybrid at will.


Diggy Diggy Fruit
Miss Merry Christmas

Allows the user to turn into a mole or human/mole hybrid at will. In the English dub, it is called a woodchuck, despite still having the appearance of a mole.


Jackal Jackal Fruit, Mutt Mutt Fruit: Model Jackal, Dog Dog Fruit: Model Jackal
Chaka

Allows the user to turn into a jackal or human/jackal hybrid at will.

Horse Horse Fruit
Pierre (Gan Fall's pet bird)

Allows the user to turn into a horse or human/horse hybrid.



Neko Neko no Mi:
Rob Lucci

Allows the user to transform into a leopard or human/leopard hybrid.


Zou Zou no Mi
Funk Freed (Spandam's sword)
Allows the user to transform into an elephant or human/elephant hybrid.




Inu Inu no Mi: Model Wolf
Jyabura

Allows the user to turn into a wolf or human/wolf hybrid.
Ushi Ushi no Mi: Model Giraffe Kaku
Allows the user to transform into a giraffe or human/giraffe hybrid.




Neko Neko no Mi: Model Cheetah
Chiqicheetah

Allows the user to change into a cheetah or human/cheetah hybrid. It's not known if this power is a devil fruit yet. But due to fact that the fruit was seen in a filler, it is probably unknown whether it will be explained or not completely.