Dog Bite | Animal Behavior Expert Witness For Attorneys

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

“Bringing the science of animal behavior to attorneys”

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Dog Bite Expert Witness

This website introduces Richard Polsky, Ph.D. to attorneys seeking a dog bite expert witness. is the internet’s oldest, most frequently visited, and most comprehensive website on the interplay between animal behavior and dog bite law.

Dog bite expert witness
Animal behavior expert witness in California, Richard Polsky Ph.D. Dr. Polsky provides legal services to attorneys. is the creation of Richard Polsky. The website contains information and expert opinions on topics such as provocation, negligence, and whether a suspected dog bite victim was bitten or scratched. In addition, visitors can search to find advice and opinions about pit bull behavior and the dangerous nature of attack-trained police canines.

Dog owners in Los Angeles seeking animal behavior consultation and training services or help with a dangerous dog hearing should visit other sections of this website.

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Meet dog bite expert, Richard Polsky

  • Education
    Dr. Polsky earned a doctorate in animal behavior from the University of Leicester in England.  This was followed by six years of postdoctoral study in animal behavior at the University of Birmingham in England and later at the University of California at Los Angeles.
  • Employment
    Dr. Polsky has served as President of Animal Behavior Counseling Services, Inc. in Los Angeles for over 30 years.  During this time he has trained and applied behavior modification to hundreds of Rottweilers, Pit bulls, German shepherds, Cane Corsos, Bull mastiffs, and other breeds capable of inflicting severe personal injury.
  • Expert witness work
    Dr. Polsky has testified in court as a dog bite expert on numerous occasions. His work as an expert witness has helped many attorneys gain favorable outcomes for their clients. Dr. Polsky is an experienced, trial tested and well-qualified dog expert witness. These unique qualifications, combined with his academic training in animal behavior, set Dr. Polsky apart from other self-titled dog bite experts.

 Dr. Polsky’s approach

Dr. Polsky places a strong emphasis on proffering expert opinions based on the findings and principals taken from the animal behavior and canine behavior literature. These findings are used in combination with the discovery from any given case to form opinions that are non-speculative and likely to be believed by the trier-of-fact.

Services provided by Dr. Polsky include consultation, documentation review, report writing, declarations, dog and property inspections, deposition and trial testimony, and wound evaluation.

Dr. Polsky answers the following questions:

  • Was the incident foreseeable?
  • Are attack-trained police K-9s inherently dangerous animals?
  • Did the dog owner show a callous disregard for public safety?
  • Was the injury to the plaintiff caused by a bite or scratch?
  • Are pit bulls inherently dangerous animals?
  • Did the property owner know about the dog’s dangerous propensities?
  • Was the dog properly managed?
  • Did the plaintiff provoke the dog to bite?

Examples of Dr. Polsky’s expert work

  • In one case, the plaintiff testified that his neighbor’s dog attacked him after the dog jumped into his backyard.  He testified that the dog, a German Shepherd, scaled a 6 ft. fence, inflicted a bite to his hand, and then jumped back over the fence into the yard from which the dog came. Dr. Polsky’s expert testimony was used to show that the dog could not have possibly jumped over the fence, but rather that the plaintiff extended his hand far enough into the airspace of his neighbor’s property, allowing the dog to bite his hand.
  • The K-9 handler testified that his 90 lb. German shepherd crawled under a car and dragged the suspect into the open. The suspect testified that he crawled from under the car on his own and then voluntarily surrendered. The suspect was severely bitten. Was the suspect bitten while he was under the car or after he surrendered?  Measurements were taken of the dog. This evidence made it clear that a dog of this size could not have dragged the suspect from beneath the car. Animal behavior analysis led to the conclusion that the suspect was bitten after he surrendered.
  • In another case, the defendant’s pit bull attacked the plaintiff.  A behavioral examination of the dog along with an examination of the bite wound showed that the dog did not have the temperament or was it physically capable of attacking the plaintiff in the manner described.
  • In another case, an innocent bystander was attacked by a police K-9. Dr. Polsky reviewed the training records of the dog and the circumstances present at the time of the incident. Findings indicated that it would have been difficult for the handler to adequately control his K-9 on a 30 foot leash after the dog was deployed to apprehend the suspect.


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