Rock Dove (Feral Pigeon)
- Describes what it looks like, where it lives and nests, and what it eats.
- http://www.amonline.net.au/factsheets/rock_dove.htm

Rock Dove
- Includes photographs, songs, identification tips, distribution maps, and life history.
- http://www.mbr-pwrc.usgs.gov/id/framlst/i3131id.html

Columba livia (Rock Dove, Common Pigeon)
- Description and biology of this common bird, which is found worldwide.
- http://animaldiversity.ummz.umich.edu/site/accounts/information/Columba_livia.html

Blue Pigeons
- Information from the African Bird Club on the three surviving species of blue pigeons. Includes where they live, what they eat, and nesting habits.
- http://www.africanbirdclub.org/feature/bluepig.html

White-crowned Pigeon
- Has photographs, audio file, identification tips, location maps, and life history.
- http://www.mbr-pwrc.usgs.gov/id/framlst/i3140id.html

Scaled Pigeon
- Brief Wikipedia article explains where it lives and breeds, what it looks like, what it eats, and how it flies.
- http://en.wikipedia.org/wiki/Scaled_Pigeon

Project PigeonWatch
- International research project that uses community involvement to compile pigeon mating data. Includes project information, pigeon facts, news and past results, and how to join.
- http://www.birds.cornell.edu/programs/urbanbirds/ubs_PIWMainEN.html

Pink Pigeon (Columba mayeri)
- Illustration, photo, possible reasons for this bird's decline, and facts about recovery efforts.
- http://www.birds.mu/Endemic/PinkPigeon.htm

Kereru, the New Zealand pigeon
- Includes general information about the bird, taxonomy, description, breeding, diet, and why conservation is important.
- http://www.nzbirds.com/birds/kereru.html

Crested Pigeon
- Factsheet details what it looks like, where it lives and breeds, and what it eats.
- http://www.amonline.net.au/factsheets/crested_pigeon.htm

Columba speciosa (Scaled Pigeon)
- Sound recordings of this bird.
- http://animaldiversity.ummz.umich.edu/site/accounts/classification/Columba_speciosa.html