Scientists warn: Outdoor cats face higher risk of injury, disease, and live up to three years shorter

Allowing domestic cats to roam freely outdoors poses significant risks to their health and longevity, according to a review of scientific research. Experts caution that this common practice, while seemingly natural, can shorten a cat's life by two to three years compared to indoor-only cats.

Studies indicate that outdoor cats face a higher probability of encountering numerous dangers. Observations from collar cameras reveal cats frequently crossing roads, entering drains, climbing roofs, and consuming unknown substances. They also engage in frequent interactions with other cats, increasing the risk of fights and disease transmission, such as Feline Immunodeficiency Virus (FIV) through bites.

Traffic accidents and falls from heights are identified as the most common causes of death and severe injury for outdoor cats. Such incidents often necessitate costly veterinary care, and many survivors are left with permanent health issues. The research highlights that keeping cats indoors is the most effective way to protect their health and well-being.

Beyond personal safety, free-roaming cats have a substantial negative impact on the environment. Research published in the Journal of Animal Ecology shows that outdoor cats prey on and disrupt local populations of wildlife, including birds, small mammals, reptiles, and amphibians. On islands and in isolated habitats, their hunting has been linked to the extinction of endemic species.

To mitigate these risks, experts recommend keeping cats confined to their owners' property. Supervised outdoor time in enclosed areas like a "catio" (an outdoor enclosure) or walks on a leash are suggested alternatives. For cats that spend most of their time indoors, providing sufficient mental and physical stimulation is crucial.

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The simplest way to protect your cat is to prevent it from roaming freely and keep it on your own property.