Here's what nobody tells you about community cats: killing them doesn't work. American cities have been trying trap-and-euthanize for fifty years, spending millions, and the parking lot behind the grocery store still has the same number of cats. Sometimes more.
TNR changes the math. Trap-neuter-return means those cats get fixed, vaccinated, and put back where you found them. No more kittens. Populations shrink over time instead of regenerating every spring. Los Angeles has citywide TNR ordinances now. So does Jacksonville. But plenty of municipalities still argue about whether caretakers feeding colony cats are breaking the law.
If you're the person leaving food bowls behind the warehouse, or the city councilmember fielding complaints about yowling cats, you'll need to understand how these programs actually function—and what happens when local law conflicts with best practices.
You trap the cat. Humanely, using box traps baited with sardines or mackerel. Could be a volunteer who feeds the colony, could be an animal control officer responding to complaints. The cat goes to a vet clinic—sometimes a regular practice, often a high-volume spay-neuter operation set up specifically for TNR.
Surgery happens. Sterilization, rabies vaccine, maybe testing for feline leukemia. Here's the part that confuses people: while the cat's still under anesthesia, the vet cuts off about a centimeter from the tip of the left ear. Sounds harsh. It's not—the cat feels noth...