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”

Dog Bite Injury Blog

A blog for attorneys & dog bite victims by animal behavior expert, Richard Polsky, PhD. The dog bite injury blog was created to report current news about injury caused to people as a result of being attacked by a canine. An animal behavior perspective is used. Stories for inclusion have been carefully chosen based on where the incident happened, the breed of dog involved, the nature of the injurylegal implications, and whether a canine fatality occurred.

When Stray Dogs Bite: India’s Public Safety Challenge

India’s streets are home to over 62 million stray dogs. These dogs—often called “Indies”—roam cities and villages across the country. While some people feed and care for them, their growing Read More..

September 18, 2025

Dog bite inspection

Are inspections of the dog needed in dog bite lawsuits?

In many dog-bite cases, attorneys and insurance carriers underestimate the potential value of inspecting the dog involved. Yet such an inspection can yield crucial behavioral evidence—evidence that clarifies liability, establishes Read More..

August 31, 2025

Animal behavior perspective on risk factors for dog aggression

Animal behaviorists who serve as expert witnesses in dog bite cases know that in some cases, there may be a need for their expertise to assess the foreseeability of any Read More..

March 7, 2025

Dog bite inspection

Horrific near-fatal dog mauling in Texas

CBS News published a short video about this December 2021 incident in Texas. The video is graphic and disturbing! Watch video      

November 23, 2024

Pitbull fatal dog attack

Partial listing of fatal dog attacks, 2024 – 2025

 Oakland California, 53-year-old man mauled by Cane Corso type dogs Three Cane Corso x Neapolitan mastiff-type dogs escaped the backyard of the property of the owner and then dragged the Read More..

Fatal dog attack by Great Dane dog pack in rural CA

The inherent dangers of dog packs and the manner in which they can cause a dog-related human fatality are addressed in other sections of this website. Below, I remind the reader Read More..

Wolf hybrid advocate opinion

Below is correspondence I received from a Wolf hybrid advocate, Lori Wynn, CEO of the nonprofit www.guardiansofthewolves.org. Ms. Wynn brought to my attention that the United States Department of Agriculture Read More..

April 19, 2024

Dog bite / Dog scratch Identification

0In dog bite litigation, occasionally there is uncertainty about whether the injury inflicted to a person resulted from a dog bite vs dog scratch. From a legal perspective, a person Read More..

April 15, 2024

The parties in this case settled shortly before trial for $3.2 million

German shepherd lawsuit in Virginia settles for $3.2 million

The vast majority of dog bite lawsuits in Virginia settle before trial. The reasons why settlements are reached include: the severity of the victim’s injuries, the degree of negligence by Read More..

Police dog bite and hold

Police K9 fatal dog attacks

Fatalities resulting from police K-9 deployments are statistically rare. Nonetheless, the incidents that have occurred—and their underlying circumstances—warrant serious legal and operational scrutiny. Courts have long held that K-9s do Read More..

November 10, 2022

Cane Corsos viciously maul teenager in California

The circumstances are not known about a recent mauling of a teenager in California by a pack Cane Corsos. The incident happened the afternoon of October 30, 2022 in Thousand Read More..

November 2, 2022

Amazon driver killed by German Shepherd & English mastiff

Amazon delivery divers making home deliveries to residential customers are at high-risk of being attacked and bitten by a territorial aggressive dog. Despite this danger, those making policies regarding worker Read More..

October 31, 2022

Family members fatally attacked by great Danes

Key takeaway Great Danes, a territorially protective breed by nature, cannot always be trusted to be safe with family members. In certain circumstances some Danes may be motivated to attack Read More..

October 29, 2022

Dog bite USPS

Dog bite statistics for USPS & State Farm 2021

Key takeaways National Dog Bite Prevention week happens annually in June. This event is promoted by the USPS and State Farm Insurance. Dog bite attacks represent a serious occupational hazard Read More..

September 20, 2022

Fatal dog bites

Watch vicious pit bull attack inside San Francisco public library

Videos of vicious pit bulls  attacks on people demonstrate  the danger some dogs of the pit bull type present to public safety. Another avoidable incident was captured on video on Read More..

January 24, 2022

police K9 fprce

Watch video of vicious police K9 attack in Maine

Subsequent to the laws which now require police to wear body cams, videos are becoming increasingly common on YouTube showing the vicious attacks by police canines on suspects. Here’s another Read More..

January 16, 2022

Standard of care in a California dog bite lawsuit

The standard of care given to a dog is an issue that  occasionally arises in dog bite lawsuits. Basically, this is an issue about the care and management an owner Read More..

January 6, 2022

Posttraumatic Stress Disorder (PTSD), Dog bites & Children

Post-traumatic stress disorder, or PTSD, is frequent consequence of dog bite injury. Studies have shown that approximately 40% of dog bite victims, particularly children, will be afflicted with this kind Read More..

Boxer fatal dog attack

Fatal dog bite by Boxers on 52 y.o. lady in South Carolina

Fatal dog bites inflicted by boxers are rare occurrences. Nevertheless, the potential for fatal dog attacks by a boxer exists provided the circumstances are present to make a dog bite Read More..

December 18, 2021

Watch video of police K9 attack in Florida

A video of police K9 attack on an suspect who had already surrendered exemplifies the difficulty handlers have in controlling their K9s during suspect apprehension. The incident, which happened in Read More..

September 10, 2021

California dog bite

What counts as a dog bite in California?

Imagine the scenario where German shepherd escapes from the confines of its house in California runs into the yard and seizes the leg of a workman on a ladder. The Read More..

July 17, 2021

Animal behavior science and the inherently dangerous nature of attack trained police K-9s

Presentation by Richard  Polsky at the annual meeting the Animal Behavior Society, August 2021 The perspective from animal behavior science is needed to fully understand and explain the behavior of Read More..

July 15, 2021

Police dog bite expert

Canine handler abusing his K9 partner shown in disturbing video

As a police K9 bite expert, I am knowledgeable of the various training techniques used to attack-train a police K9. I also have become familiar with and have testified about Read More..

March 4, 2021

predatory aggression temperament test

Bite history of a rescue dog must now be disclosed in California

People occasionally are bitten and attacked by a dog after adoption from an animal shelter or rescue organization. As a dog bite expert witness, I have been involved in a Read More..

February 21, 2021

animal shelter dog bite

Animal shelter dog bite settlement in Nevada

Animal shelters might get sued if a dog housed at their shelter bites a person. Given that employees, volunteers and visitors have frequent interaction dogs in the setting of an Read More..

February 20, 2021

Rottweiler aggression & Stand Your Ground in Montana

Below, I report a case in which the controversial Stand-Your-Ground defense was used in the defense of 80-year-old Loyal Babb. Babb intentionally shot and killed his neighbor’s 10-year-old male, neutered Read More..

November 26, 2020

CA verdict of $247K for plaintiff startled by off-leash dog

Dog owners can liable for the injuries their off-leash dog inflicts onto a person even if the dog remains on the property and even if the dog does not bite Read More..

French bulldog human-directed aggression

         The French bulldog has established itself is one of the most popular companion dogs in the United States. The Frenchie has become increasingly popular in part Read More..

October 12, 2020

Cane Corso aggression

Cane Corso dog-aggression causes horrifying knock-down injury

Accounts describing the potentially dangerous nature of the Cane corso are usually about aggression directed towards humans and not other dogs.  Nonetheless, a Cane corso and other large breeds with Read More..

August 24, 2020

Dog bite statistics USPS

USPS Dog Bite Statistics for 2019

Dog bite injury inflicted on people in the United States has remained at relatively consistent levels for the last 15 years. a number of surveys have shown that about 4.5 Read More..

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