| Measure of one zero (time budget) |
| Standing | To assume or maintain an upright position on extended legs. The behavior patterns involved in standing up show a high degree of uniformity within species, but may be modified by environmental circumstances. |
| Sitting | Body position in which the posterior of the body trunk is in contact with the ground and supports most of the body weight. |
| Walking | Relatively low speed locomotion of an organism on the ground in which propulsive force derives from the action of legs. |
| Measure of instantaneous sampling (count) |
| Drinking | Voluntary oral ingestion of liquids. |
| Feeding | Delivery of feed to animals in feedbox. |
| Preening | An act of integumentary care in birds similar in function to grooming in mammals. Preening is manifested as manipulation of feathers and distribution of secretions from the uropygial gland using the beak, and also as scratching of the body surface with claws or beak. |
| Dust bathing | A behavior pattern that is a component of integumentary care characterized by lying on the side and making a small depression in the floor surface while head rubbing, bill raking, wing shaking, and scratching on the floor. |
| Pecking | Pecking is performed with a short, quick forward motion of the head and is displayed during investigation following visual inspection, during feeding, during fighting, and during courtship. |
| Flapping | Rapid rotatory oscillation of the wings flap and strike against the body. |
| Aggressive pecking | A term occasionally used to refer to unreciprocated pecks directed towards group peers. Aggressive pecking is assumed to be a sign of rigid social dominance or despotism. |