Deane, R. S. W., Trinidad and Tobago Cage-bird Association, Texaco Trinidad, Inc., Pointe-a-Pierre, Trinidad and Tobago, Trinidad and Tobago

• Living World, Journal of the Trinidad and Tobago Field Naturalists' Club The Trinidad Field Naturalists' Club Journal 1967 - Articles
  Breeding of Twa Twa in Captivity
  Abstract  PDF