Scent

(Masters of the Wild: A Guidebook to Barbarians, Druids, and Rangers, page 25, DnD 3.0)

[Wild]

Your olfactory senses are as sharp as the wolf's.

Prerequisite

Ability to use wild shape to become a wolf. Wis 11

Benefit

You gain the scent extraordinary ability (airbreather's type, as described in Chapter 3 of the DUNGEON MASTER'S Guide), which operates regardless of your form.