Fainting can occasionally occur in young stallions during initial copulatory experiences. Behavioral symptoms of fear may include temporary immobility, hiding, escape, attack, urination, defecation, increased heart rate, etc. Excessive feather pecking can cause structural damage to the plumage, and may be an indication of frustration or inadequacy of flock management. Natural feticide has been suggested to occur fairly commonly in wild or feral horses. The area around the joint between the metatarsal hone and the first phalanx.
Habitual fighting is considered to be a dangerous vice.
A postural display indicative of readiness to attack and characterized by lowered head, extended neck, raised hackles, slightly spread wings in trailing position, and body positioned for a leap. A dressage maneuver in which the horse follows two joint voltes or two circles, changing the direction of the circular path at the point where the voltes or circles join. In contemporary ethology, the term fixed action pattern often is replaced by modal action pattern because of inevitable individual variations in behavior. An abnormal form of ingestive behavior manifested as pulling, tearing, and swallowing of the fleece of peers. The critical distance at which an organism will make an escape response upon the approach of another organism or object.