Dog Bite | Animal Behavior Expert Witness

Richard H. Polsky, Ph.D. CDBC
Los Angeles, California

“Bringing the science of animal behavior to attorneys”

Animal behavior expert on dog bite attacks

Richard H. Polsky, Ph.D. CDBC
Los Angeles, California

“Bringing the science of animal behavior to attorneys”

What causes death from a dog bite?

Neck dog bite expert
Dog bites inflicted to the neck of the victim by a mastiff.

Death usually happens when the bite is inflicted to a person’s neck causing loss of a large amount of blood within a brief span (< 5 min.), or suffocation.

1. Blood loss due to severing of the jugular vein or carotid arteries. The carotid arteries are located on the side of the neck slightly under the earlobe. Blood flows into the head via the carotid. The jugular vein also on the side of a person’s neck, leads directly down into the heart and carries all the blood from the brain. The jugular vein is much larger than the carotid artery and therefore it carries more blood.

The severing of the carotid artery or the jugular vein from a dog bite is extremely dangerous because blood loss may happen quickly and death often results within 5-10 minutes. This was the principal cause of death of victim Diane Whipple in the San Francisco dog mauling.

2. Suffocation due the severing of the trachea. Puncturing or crushing the trachea also usually causes death within minutes.

There is the widely held belief that in a dog attack, a dog will intentionally direct its bite to the neck area of a person, because the dog’s ancestor, the wolf, is programed to instinctively direct it’s predatory killing bite to the to the nape of the prey’s neck. I know of no reliable scientific study which substantiates this belief, however.

A highly motivated aggressive dog is large enough to access the head area (the most biologically meaning part of a person’s body from the perspective of a dog) of a standing person, and if the circumstances are correct, a dog may intentionally direct its bite to head or face of a person’s body (but not necessarily the neck). And if a person has fallen or is knocked over during the attack then the dog’s access to the head area easily happens, and the chances of the dog biting the neck increase substantially.

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