Rodrigues Solitaire (Pezophaps solitaria) - Description and illustrations of this extinct Dodo relative from the island of Rodrigues, Mauritius. - http://www.birds.mu/Extinct/Solitaire.htm
Rodrigues Solitaire - Wikipedia article describes when this pigeon relative was discovered, and why it became extinct. - http://en.wikipedia.org/wiki/Pezophaps_solitaria
Pezophaps solitaria - Discusses what this bird looked like, where it lived, what it ate, extinction causes, and relatives. - http://www.petermaas.nl/extinct/speciesinfo/rodriguessolitaire.htm