Free Feral Cat Spay Day is a national holiday observed on April 27 each year in the United States, aimed at promoting the spaying of feral cats and providing them with basic health examinations. During this day, many individuals leave fresh food and water for feral cats in their neighborhoods, as these animals are not domesticated pets and must fend for themselves. An important aspect of the initiative is the application of an ear tip to spayed cats, which helps identify them as altered and prevents unnecessary future surgeries. The holiday raises awareness about the significance of spaying and neutering programs to reduce the population of feral cats, which are domestic cats without known owners that typically live outdoors and avoid human contact.