SRD:Animal Type

Animal Type
An animal is a living, nonhuman creature, usually a vertebrate with no magical abilities and no innate capacity for language or culture.

Features
An animal has the following features (unless otherwise noted in a creature’s entry).
 * d8 Hit Dice.
 * Base attack bonus equal to 3/4 total Hit Dice (as cleric).
 * Good Fortitude and Reflex saves (certain animals have different good saves).
 * Skill points equal to (2 + Int modifier, minimum 1) per Hit Die, with quadruple skill points for the first Hit Die.

Traits
An animal possesses the following traits (unless otherwise noted in a creature’s entry).
 * Intelligence score of 1 or 2 (no creature with an Intelligence score of 3 or higher can be an animal).
 * Low-light vision.
 * Alignment: Always neutral.
 * Treasure: None.
 * Proficient with its natural weapons only. A noncombative herbivore uses its natural weapons as a secondary attack. Such attacks are made with a –5 penalty on the creature’s attack rolls, and the animal receives only 1/2 its Strength modifier as a damage adjustment.
 * Proficient with no armor unless trained for war.
 * Animals eat, sleep, and breathe.