Petting Zoo is a Pet Battles achievement under Collect to obtain 100 unique companion pets.
Contents
After completing this achievement, Breanni will mail you [Nuts' Acorn]:
I'm Going Nuts!
Hello again, Friend!
This mischievous little fellow is driving everyone in the pet store nuts!
I thought that perhaps you might take him along on some of your adventures... perhaps he'll calm down after he's seen a bit of the world.
You DO wear a helmet, right...?
--Breanni
Series
[Can I Keep Him?]
[Plenty of Pets]
[Plethora of Pets]
[Shop Smart, Shop Pet...Smart]
[Lil' Game Hunter]
[Petting Zoo]
[Menagerie]
[Littlest Pet Shop]
[Going to Need More Leashes]
[That's a Lot of Pet Food]
[So. Many. Pets.]
[Pet Emporium]
[Master of Minions]
Patch changes
Patch 4.2.0 (2011-06-28): Now rewards
[Nuts' Acorn].
Patch 4.1.0 (2011-04-26): Added.