Table 1.

A list of the observed stereotypic behaviors divided into three categories: whole-body, self-directed, and fine-motor.

Whole body stereotypies
Pacing	Repetitive walking same path in cage
Swaying	Holding the upper flank of the cage with one arm while swinging
Rocking	A back and forth movement of the upper body with feet stationary
Bizarre posture	Animal sitting in a distorted manner, the hind limb may hold the trunk of the body
Self-directed stereotypies
Biting nails	Clipping the tip of the nails using the teeth
Digit sucking	Sucking on a finger or toe
Plucking hair	Plucking out hair from the body using a hand
Fine motor stereotypies
Licking/biting cage bars	Repetitive licking and/or biting the bars of the cage
Head twirling	Circular movement of the head
Head tossing	Vertical (up and down) movement of the head