# Using Livestock Guardian Dogs to Protect Endangered Swift Foxes Texas researchers test if guardian dogs can deter coyotes and save swift foxes. - **Source:** [Popular Science](https://brifing.si/source/cc3d313a-759c-4802-b881-fc8585f35ef9) - **Published:** 2026-11-03 - **Topic:** [Business](https://brifing.si/c/business) - **Original article:** - **On Brifing:** https://brifing.si/s/fd75f00e-b963-48b0-b1e0-95c61d002159 ## Critical Population Decline The swift fox, a cat-sized species native to the Texas Panhandle, faces severe population threats with fewer than 250 individuals remaining in the state. These foxes currently occupy only 40 percent of their historic range. Conservationists identify coyote predation, facilitated by encroaching tall vegetation, as a primary driver of this mortality. ## Innovative Predator Deterrence Researchers at Texas A&M are investigating whether livestock guardian dogs can serve as a protective buffer for swift foxes. By introducing these large canines to cattle herds, the project aims to alter coyote behavior. The presence of these dogs acts as a deterrent, potentially excluding coyotes from critical swift fox habitats. ## GPS Tracking Methodology To quantify the impact of guardian dogs on predator movement, the research team equipped both swift foxes and coyotes with GPS collars. This data collection began prior to the project launch to establish baseline behavioral patterns. These tracking devices are essential for monitoring how coyote habitat usage shifts near the cattle. ## Dual Benefit Potential The integration of guardian dogs offers a dual-purpose strategy for the Rita Blanca National Grasslands. Beyond protecting the endangered fox population, the dogs provide security for livestock during the vulnerable calving season. This dual benefit could incentivize producers to adopt the practice while simultaneously supporting broader regional biodiversity and ecosystem recovery. ## Project Scope and Timeline The study is structured as a multiyear effort, specifically spanning three years of observation and data collection. Livestock guardian dogs were introduced to the cattle herds during the summer months. While the project is currently in its early stages, the team is actively monitoring the interaction between the dogs and local predators. ## Initial Operational Success Early reports from the field indicate that the livestock guardian dogs are performing effectively within their assigned roles. The participating producer has reported zero calf losses to predation since the dogs were introduced. These preliminary observations provide a positive indicator for the potential success of the broader conservation goals for foxes. ## Ecological Niche Dynamics Swift foxes are non-threatening to cattle, sheep, and goats, as their diet consists primarily of insects, plants, and small rodents. Their small size makes them particularly susceptible to larger predators like coyotes. By managing the coyote population through non-lethal deterrence, the project aims to restore the natural balance of the shortgrass prairie. ## Conservation Implications This research represents a significant effort to stabilize the swift fox population in Dallam County, the only remaining stronghold in Texas. If successful, the model of using guardian dogs could be scaled to other regions. The project highlights how agricultural management practices can be directly aligned with wildlife conservation and ecosystem health. ## Sources covering this story - https://www.popsci.com/environment/guard-dogs-protect-small-fox-texas/ — --- _Summary written by Brifing from the original reporting. Copyright in the original article belongs to its publisher; read the full piece at the link above._