Potion of Animal Friendship

Potion, minor, uncommon

When you drink this potion, you can cast the animal friendship spell (save DC 13) for 1 hour at will. Agitating this muddy liquid brings little bits into view: a fish scale, a hummingbird tongue, a cat claw, or a squirrel hair.

Source: Dungeon Master’s Guide p. 187. Available in the SRD