February 20, 2026
In Australia, proudly owning a pet tortoise or importing unique birds stays unlawful, but cat possession faces no such restrictions. Cats roam neighborhoods freely, posing a extreme menace to native species. A neighborhood zoologist not too long ago noticed a stray cat prowling streets, possible preying on birds, mammals, and bugs within the space.
Cats’ Position in Species Extinctions
Home and feral cats rank as the highest predators amongst launched species, devastating Australia’s distinctive wildlife. Latest scientific evaluation confirms their affect. A 2025 research questioning cats’ duty confronted robust rebuttal from 25 conservation specialists and the Biodiversity Council.
“The proof is overwhelming; cats and foxes had been the first driver of the decline of many of the Australian mammals which have develop into extinct since 1788, and proceed to drive the decline of many remaining species,” acknowledged Professor John Woinarski, who led the rebuttal research.
Broad Influence on Native Animals
Cats goal greater than mammals—they decimate birds, reptiles, frogs, and invertebrates. New Zealand’s expertise highlights this: a number of hen species persist solely on offshore islands freed from cats and different predators, as mainland survival proves inconceivable.
Australia’s native wildlife advanced with out these hunters, making their presence a persistent ecological catastrophe.
Staggering Kill Charges
Mixed feral and pet cats kill roughly 3 billion wild animals yearly—equal to eight.2 million every day. Information from the Invasive Species Council particulars the toll: 2.92 million mammals, 1.67 million reptiles, 1.09 million birds, 0.26 million frogs, and a couple of.97 million invertebrates per day.
Pet cats alone kill almost 200 native animals every per yr. Each pet cat dangers changing into feral, perpetuating the cycle.
Stricter Guidelines for Comparable Threats
Australia enforces rigorous quarantine for foxes, which trigger far much less harm than cats—about one-tenth the affect. But a regulated cat breeding trade thrives, enabling widespread possession.
A Phased Method to Elimination
Specialists advocate outlawing cat possession by compassionate measures: spay or neuter current pets, mandate indoor confinement with strict penalties, and halt breeding. Assist would assist breeders transitioning to different fields. Over time, pet cat numbers would decline naturally, easing strain on wildlife.
Indoor-only advocates declare duty, however escapes stay inevitable in a society with tens of millions of cats. No new pets would comply with present ones’ pure lifespans.
Feral cats and foxes demand separate management efforts, however addressing pets—reducing whole cat numbers by 40-80%—affords an easy begin.
Defending Australia’s fragile ecosystem requires powerful selections, very like bans on pet tortoises. Wildlife conservation calls for prioritizing native species.
Antone Martinho-Truswell, a Sydney-based zoologist, evolutionary biologist, and analysis affiliate on the College of Sydney’s College of Life and Environmental Sciences, emphasizes these issues.

