You gain an additional favored environment.
Prerequisites
Favored environment ability, base attack bonus +5.
Benefit
You gain access to an additional favored environment, selected from the list on Table: Ranger Favored Environments, with a +2 bonus.
Gaining this favored environment does not increase the bonus of any existing favored environment you have; however, any time you have the option to increase an existing favored environment bonus, you may choose the favored environment granted by this feat.