Woodpeckers
- Information on these birds with photographs of several species and sound clips of their songs.
- http://pelotes.jea.com/AnimalFact/Birds/woodpeck.htm

Order Piciformes
- Detailed species accounts of American Woodpeckers and Toucans from the Animal Diversity Web.
- http://animaldiversity.ummz.umich.edu/site/accounts/classification/Piciformes.html

African Barbets and Tinkerbirds (Lybiidae)
- Features photos of members of this bird family. Describes their habitat and nesting.
- http://montereybay.com/creagrus/African_barbets.html

Asian Barbets (Megalaimidae)
- Don Roberson's description of this family of birds. Includes photos.
- http://montereybay.com/creagrus/Asian_barbets.html

American Barbets (Capitonidae)
- Illustrated overview of this bird family by Don Roberson.
- http://montereybay.com/creagrus/barbets.html

Woodpecker Family
- Illustrated overview of the Picidae by Don Roberson.
- http://www.montereybay.com/creagrus/woodpeckers.html