What is TNR?

• Stands for Trap–Neuter–Return — a humane, effective method to manage feral and stray cat colonies.

• Cats are trapped, vaccinated, spayed/neutered, and ear-tipped (a small portion of the left ear is removed for easy identification).

• Healthy ferals are returned to their outdoor homes; adoptable strays and kittens go into foster care and find permanent homes.

• Stops the cycle of breeding and gradually reduces population over time.

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What does it mean to spay or neuter?

• Surgical sterilization performed by a veterinarian.

• Prevents reproduction in both males and females.

• Important for both pets and feral cats to control overpopulation.

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What’s the difference between stray and feral cats?

• Feral: Born outdoors with little/no human contact; adult ferals usually can’t be socialized, but kittens can if caught early.

• Stray: Once lived with humans but became lost, abandoned, or separated; most can be re-socialized and adopted.

 

Does TNR work?

• Yes! Benefits include:

  • Healthier lives for females (no repeated pregnancies)

  • Less fighting, spraying, and roaming

  • Stabilized colony size

  • Reduced disease risk

• Proven by data from TNR programs nationwide.

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Why not just remove the cats?

• Causes the vacuum effect—new cats move in and breed back to capacity.

• Relocating ferals to shelters usually results in euthanasia since they are not socialized to people.

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Who can help?

• Anyone who cares about cats in their community.

• We need volunteers!

• Learn more on our TNR Help and Volunteer pages.

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*References: Alley Cat Allies and the Feral Cat Coalition of Oregon

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