| Breeds of Livestock - Swine Breeds: Comprehensive site with information on more than thirty subspecies of pig from the American Landrace to Wuzhishan. |
| North American Potbellied Pig Association: Gives information about pig care, and has kid's section. |
| PIGS a Sanctuary: Information on pigs, potbelly pigs, potbellied pigs, animal rescue and the sanctuary. |
| Pork4Kids: Facts, games, photos and puzzles about pigs, as well as a visit to a farm. |
| Potbelly Pig Resource and Adoption Center: Includes a picture gallery, happy pot belly owners and learn what it takes to adopt, raise and nurture your very own potbellied pet mini pig. |
| St. Louis Zoo: Babirusa: Learn about the Babirusa Pigs from the Saint Louis Zoo. |
| Sus Scrofa: Describes the range, physical characteristics, habits, and economic impact of the most common species. |
| The Joy of Pigs: Learn about pigs, how to keep them as pets, and pigs around the world. |
| Virtual Hog Barn: Offers a virtual journey through all three stages of the hog production process, the farrowing barn, the nursery barn, and the finishing barn. |
| Willow: Contains pictures of Willow the pot bellied pig and her owner. |
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