Alert handlers have the perception and ability to read body language in animals. For example, healthy calves, cows, and bulls will exhibit a good stretch after they get up, then relax to a normal posture. ... Cattle under duress show signs by bellowing, butting, or kicking.

Why do bulls bellow?

Bulls are more agressive than cows and bellow to ward off predators. When a bull is bellowing, it means they are angry or fearful. Bulls bellow as part of their threat display to ward off predators or when fighting with other males.

Why do bulls moo at night?

One of the most common reasons why cows moo at night is because they do not feel safe, either by humans or predators. If they find their predators such as coyotes, mountain lions, and wild dogs prowling under the cover of darkness, cows will moo loudly to alert danger to the rest of the herd.