[ Mature Teens ] Comprehensive site with information on more than thirty subspecies of pig from the American Landrace to Wuzhishan.

[ Teens/Mature Teens ] Learn about pigs, how to keep them as pets, and pigs around the world.

[ Teens/Mature Teens ] Gives information about pig care, and has kids' section.

[ Kids/Teens ] Find out about its habitat, geographical range, physical characteristics, family tree and reproduction.

[ Teens/Mature Teens ] Describes the range, physical characteristics, habits, and economic impact of the most common species.