That community cat that roams around your neighborhood? There's a law for that.
FACE Low-Cost Animal ClinicEar tip: Identifying community cats - FACE Spay Neuter
Feral Cat Information | Humane Society of the Palouse | Moscow
Ear Tipping — Feral Cat Spay/Neuter Project
Neighborhood Cats | How to TNR | Eartipping
A clipped left ear tip is the sign of a neutered feral/stray cat...part of the TNR program (Trap-Neuter-Return). | Cats, No kill animal shelter, Animals
File:Cat with clipped ear (cropped).jpg - Wikimedia Commons
Feral Cat Ear Notching | Bad Cat Chris
FACE Low-Cost Animal ClinicEar tip: Identifying community cats - FACE Spay Neuter
Ear tipping cats in theory and in practice | PetMD
What Should You Do With a Stray Cat? | Eliot Neighborhood
What Does It Mean If a Cat has a Clipped Ear? – Florida Animal Friend
On Maui, a cat with a "tipped" or... - Maui Humane Society | Facebook
Are French Bulldog ears cropped or clipped? - DogsPlanet.com