The first modern documented cases of Mexican gray wolves in the U.S. killing and eating feral horses has been published by researchers from New Mexico State University. The research team, using global positioning system collar data, monitored 36 Mexican wolves from 24 packs between 2019 and 2023. “Feral horses may provide a novel food source for wolves, particularly in regions where native prey populations are more limited,” the researchers wrote. In the late 1990s, the Mexican gray wolf was returned to the wild through the Blue Range Wolf Recovery Area spanning eastern Arizona and western New Mexico. “The Mexican wolf was not supposed to do this.