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”

Oregon Dog Bite Expert Witness | Dog Bite News

A dog bite expert witness can assist Oregon attorneys by proffering opinions about importing issues such as  provocation, assumption of risk, and issues about the actions of the K-9 were foreseeable.

A news story about a fatal dog attack in Oregon caught my attention.

Five y.o. boy killed by pit bull recently adopted from rescue organization

This incident involved a recently adopted pit bull, which killed a five-year-old boy two months after its adoption from  a rescue organization.

Oregon dog bite expert
Dog bite expert witness, Richard Polsky, Ph.D. welcomes inquiries from attorneys handling dog bite cases in Oregon.

Animal behavior questions

Should the mother known about whether the dog was dangerous and could inflict serious dog bite injury to her child?  And more importantly, was the rescue organization negligent in adopting out a potentially dangerous dog?


The stage was set for a fatal dog attack on a five-year-old boy. Why? Because the victim’ s mother did not know about the presence of a recently adopted pit bull on the property of a babysitter.

The mother had taken her child to the babysitter’s home for the day, but had not yet left when the incident occurred. The babysitter had taking care of her children in the past without problems. The mother knew of the presence of the resident pit bull, but not of a newly acquired one. The latter had been adopted from a rescue organization about two months prior to the incident. It was this dog that was involved in the incident.

The incident happened in Baker City, Oregon in September, 2013.  According to online news reports, the boy was playing with as many as eight other children in the backyard, and either one or both pit bulls were in the vicinity. There is no evidence that the dogs were chained, however. The mother and babysitter were alerted to the incident by the children soon after it happened. They found the boy laying on the ground with the dogs nearby. He died shortly thereafter.

In the absence of blatantly provocative act directed to the dog by the boy, it may have been that the behavior of the children stimulated the recently adopted pit bull to attack. Children during play frequently move erratically and fast, and they may vocalize in a manner that may be provocative to some dogs. The circumstances present in this case raise a red flag: namely, children playing in the presence of a recently adopted pit bull.

Did the rescue organization act with due diligence?

One assumes that prior to adoption, the rescue organization did its due diligence to ensure that the dog was a good match for the babysitter. Did they know this particular dog would be in the presence of children?  However, it is likely that the rescue organization lacked reliable information about the behavioral history of this dog.  Most pit bull type dogs in shelters arrive as strays or abandoned dogs. Thus one wonders about the degree to which this dog was adequately socialized to children.  It was probably not known. However, regardless of what the rescue organization knew, it is hard to understand why they allowed the babysitter to adopt the dog knowing that young children would be present in the home. It is possible that the babysitter presented false information on the adoption papers.

The dilemma faced by rescue organizations and animal shelters

Shelters and rescue organizations are often faced with a dilemma: their mission is to adopt dogs out rather that destroy them, but they may not have reliable information about a dog’s background to ensure a safe adoption. Shelters usually pass judgment on the dog’s temperament based on how the dog behaves toward shelter staff, and in many cases through behavioral evaluation testing. However, casual observation of the dog’s behavior by shelter staff may not be reliable because certain kinds of canine aggression only appear outside the context of the shelter environment, and therefore are never seen by shelter staff (e.g. predatory aggression). Moreover, behavioral evaluation tests administered in the shelter, even by a competent dog bite expert may lack validity if the proper techniques are not used, and if they are conducted solely in the cage of the dog or by inexperience shelter staff. Nevertheless, a recent study shows that pit bull type dogs can be adopted into homes without significant risk of the dog biting a person.


Pit bull type dogs have a higher standard to meet than most other type of dogs. Generally, in order to ensure that a pit bull with an unknown background will be aggression-free after adoption, it must meet the standard of consistently demonstrating over time its trustworthiness around people in the home environment, and in a variety of other contexts. The bottom line: shelters and rescue organizations need to be cautious when offering for adoption a pit bull type dog with an unknown background.

How can a dog bite expert witness for Oregon attorneys help in dog bite litigation?

Oregon’s dog bite laws specify that negligence theory must be used to prove non-economic liability on the part of the defendant. In this regard a dog expert witness can help identify areas of negligence on the part of the defendant. For example, was the dog properly contained or did the past history of the dog, or as in the example provided above was it foreseeable that a dog bite fatality would occur?

More about dog bite law in Oregon

  • Attorney Ken Phillips’ website provides an easy to understand description of Oregon dog bite law.


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