* National Geographic: https://www.nationalgeographic.org/encyclopedia/temperat-woodland-and-shrubland-biomes/
* The Nature Conservancy: https://www.nature.org/en-us/what-we-do/our-priorities/protect-water-and-land/forests-and-grasslands/temperat-woodland-and-shrubland/
* Encyclopedia Britannica: https://www.britannica.com/place/temperat-woodland-and-shrubland-biomes
* Wikipedia: https://en.wikipedia.org/wiki/temperate_woodland_and_shrubland_biomes