Pigs

Behavior

Rooting, Chewing, Scratching, Dominant, Submissive, Play, Exploratory

Social Structure

Pigs have a clear dominant, submissive relationship. The females have a matriarchal herd with sows and offspring.  Males can be solitary unless grouped with their littermates.

Abnormal Behaviors

Excessive Aggression, Pacing

Sheep

Behavior

gregarious, social, grazing, investigative, fleeing

Social Structure

Sheep have a flock instinct to protect each other from predators.  Flocks consist of a couple males, multiple males and offspring. Ewes stay with the flock for life and males will wander forming other herds.  Males will challenge other males for social dominance.

Abnormal Behaviors

excessive aggression

Horses

Behavior

Grazing, playing, exploratory, walking

Social Structure

Horses live in herds.  Dominance is controlling movement of peers. Herd consists of one to two stallions and a group of mares and foals. Leader is the older mare.

Abnormal Behaviors

cribbing, weaving, stall kicking, wood chewing, self-biting, eating bedding

Birds

Behavior

Foraging, Pecking, Exploratory, Roosting, Vocalizing, Dusting

Social Structure

Birds are highly social especially during breeding season.
Land birds can be less gregarious, seek isolation during breeding season.

Abnormal Behaviors

Aggression, Feather Pecking, Cannibalism, Excessive, Fearfulness