List of all the animals in sonic adventure 2 battle
1. Goat
Info: you play as Sonic
location: City Escape
2. Tiger
Info: you play as Shadow
Location: Sky Rail
3. Vulture
Info: you play as Knuckles
Location: Wild Canyon
4. Tropical Bird (Parrot)
Info: You play as Egg-man
Location: Sand Ocean
5. Seal
Info: you play as Sonic
Location: Metal Harbor
6. Sea Monster
Info: You play as Knuckles
Location: Pumpkin hill
It is the third box
Hint: can restore chao feet and gives it the flame on top of its head.
7. Sea Otter
Info: You play as tails
Location: Hidden base
Hint: hit the Monkeys
8. Wild hog (hedgehog)
Info: You play as Shadow
Location: Radical Highway
9. Gorilla
Info: You play as Knuckles
location: Death Chamber
10. Rabbit
Info: You play as Sonic
Location: City Escape
11. Skeleton Dog
Info: you play as Knuckles
Location: Pumpkin Hill
12. Bat
Info: You play as knuckles
Location: Pumpkin Hill
13. Phoenix
Info: You play as Tails
Location: Mission Street
14. Peacock
Info: You play as Sonic
Location: Metal Harbor
15. Bear
Info: You play as shadow
Location: Sky rail
16. Dragon
Info: Knuckles
Location: Wild Canyon (get all three boxes)
17. Skunk
Info: You play as Sonic
Location: City Escape
18. Unicorn
Info: You play as Sonic
Location: City Escape (get all three boxes)
19. Penguin
Info: You play as Sonic
Location: Metal Harbor
20. Cheetah
Info: You play as Shadow
Location: Radical Highway
21. Raccoon
Info: You play as Sonic
Location: City Escape
I'm sorry, but I cant tell you the exact location of the animals in the levels. It's too hard to explain. Hope this helps!