Foxes are small but tough animals, with twice the health of Deer. They are the main source of Fur at the moment.
Most foxes can be found in oak areas (Oak Clearing, Bushes, and Grove) and copper snow zones (Wooded Foothills and Frosty Backwoods) in the North.
But some can also be seen in red Pine Wood and Limestone Spires, and even in yellow Limestone Cliffs, and green zones, depending on base spawn rates and applicable buffs like Dogs' Hunter trait.
When killed it will drop: