My excuse this time was that this dangerously venomous snake was partly concealed at night and ready to slither off at the slightest provocation, and our guides made sure I didn't get too close. And it was quickly slightly provoked, and slithered off.
- Bannerman, M. 2001. Mamirauá: A Guide to the Natural History of the Amazon Flooded Forest
- Bartlett, R.D., and Bartlett, P. 2003. Reptiles and Amphibians of the Amazon: An Ecotourist's Guide
- Campbell, J. A., Lamar, W. W. 2004. The Venomous Reptiles of the Western Hemisphere
- Duellman, W.E. 2005. Cusco Amazónico: The Lives of Amphibians and Reptiles in an Amazonian Rainforest