Porzana carolina (Sora)
- Facts about this bird's physical traits, food habits, and reproduction. Includes sound recordings.
- http://animaldiversity.ummz.umich.edu/site/accounts/information/Porzana_carolina.html

Sora (Porzana carolina)
- Provides facts about this bird's physical description, reproduction, and ecology. Includes a photo.
- http://www.aquatic.uoguelph.ca/birds/speciesacc/accounts/rails/carolina/account.htm

Laysan Rail (Porzana palmeri)
- Illustration and brief description of this extinct species.
- http://hbs.bishopmuseum.org/endangered/laysrail.html

Spotted Crake (Porzana porzana)
- Describes the distinguishing features, habitat, diet, and behavior of this bird. Includes a photo.
- http://www.borealforest.org/world/birds/spotted_crake.htm

Spotted Crake
- Photo of this species.
- http://www.btinternet.com/~pdj_photos/s_crake.htm