Chatham Island black robin  (Petroica traversi)

For more information on the Chatham Island black robin see:

• Butler, D. and Merton, D. (1992) The Black robin: saving the world's most endangered bird. Oxford University Press, Auckland, NZ.
• BirdLife International's World Bird Database
  http://www.birdlife.org/datazone/species/index.html?action=SpcHTMDetails.asp&sid=5482&m=0
• BirdLife International (2000) Threatened Birds of the World. Lynx Edicions and BirdLife International, Barcelona and Cambridge.