Keeping it wild: how mules help preserve the last untamed places in the US, Environment

If it’s got gears, it’s not allowed in Montana’s Bob Marshall Wilderness. But a humble creature helps clear the trails

THE COUNTRY LIFE: Stubborn as a mule? Absolutely, Lifestyle

UnCruise Adventures 2019 - 2021 by Heritage Expeditions / Wild

Meet Our Medicine Herd – The Unbridled Heroes Project

Save the Wild Horses Archives - Front Range Equine Rescue

Let's Go Wild – Texas Monthly

Photos: Life on the Trail in Montana's Wilderness -- National Geographic

Donkey – Minecraft Wiki

The Mules and The Truth

Donkey – Minecraft Wiki

slaughter – Mule, Donkey & Horse Training with Meredith Hodges

Caring for Mules - Chesapeake & Ohio Canal National Historical Park (U.S. National Park Service)