A puppy named Boris found abandoned in a shelter parking lot alongside a cat appeared determined to keep his feline companion safe, touching the hearts of staff who discovered the pair.

Staff at the Humane Society for Hamilton County in Indiana arrived one morning to discover the pair abandoned outside the animal shelter. To those who found them, it seemed Boris, who is 6 months old, understood the gravity of their situation. As they waited to be rescued, Boris rested his paw over Jenkins, a 2-year-old cat, offering comfort to his companion, a moment the shelter later shared in an Instagram post on its account @hamiltonhumane on June 3.

While the touching image quickly resonated on social media, shelter staff warned about the severity of leaving pets outside during the summer months. The Instagram caption said Boris and Jenkins had been left in the parking lot as temperatures began climbing into the upper 80s.

The shelter noted the parking lot offers little protection from the elements. Without shade, water or a safe place to hide, they could have been forced to endure dangerous conditions for hours before staff arrived. Fortunately, Boris and Jenkins were found in time and brought inside, where they could recover from the ordeal.

Boris' stay at the shelter was short-lived. After receiving care and settling in, the puppy quickly found a forever home. Jenkins, however, took longer to find his own happy ending, but the staff has since updated followers and wrote in the caption: "BOTH of these lucky pets have found forever homes!"

Newsweek reached out to the Humane Society for Hamilton County via email for additional information and comment.

Summer Heat Danger for Pets

While Boris and Jenkins were found in time, veterinarians warn that dogs and cats can develop heat-related illnesses surprisingly quickly when exposed to hot temperatures, especially when they lack access to shade or fresh water. Unlike humans, pets have limited ways to cool themselves and can struggle to regulate their body temperature.

The American Animal Hospital Association (AAHA) notes early signs of heat stroke in pets can include excessive panting, drooling, lethargy, vomiting and difficulty walking. Without prompt treatment, heat stroke can cause seizures, organ failure or death.

Heat stroke in pets can occur within minutes, usually when a pet's body temperature rises above 104 degrees Fahrenheit, compared to the typical range of 100 to 102.5 degrees, according to the AAHA.

While any pet can experience heat stroke, some are at greater risk than others. Flat-faced, or brachycephalic, breeds—bulldogs, pugs, boxers, Boston terriers and Persian cats—often struggle to cool themselves because their shortened airways make panting less efficient. Overweight pets are also more vulnerable because excess body fat can trap heat and make breathing more difficult.

Boris' young age may have made the situation even more dangerous. AAHA notes that puppies and kittens can be particularly vulnerable to heat stroke because they have not yet fully developed their ability to regulate body temperature. Had Boris and Jenkins remained undiscovered in the shelter parking lot for an extended period, the rising temperatures could have posed a serious threat to their health.