Brachylophus gibbonsi Pregill & Steadman, 2004

Tongan (giant) iguana



Taxonomy & Nomenclature



Conservation Status


Last record: c. 700-800 BC


Known only from sub-fossil remains dated to within a century after human colonization (Pregill & Steadman, 2004).



Kingdom of Tonga (various islands)


Biology & Ecology




Holotype: UF 212300






Original scientific description:

Pregill, Gregory K. and Steadman, David W. (2004). South Pacific Iguanas: Human Impacts and a New Species. Journal of Herpetology 38(1): 15-21. [Abstract]


Other references:

Pregill, Gregory K. and Dye, Tom. (1989). Prehistoric Extinction of Giant Iguanas in Tonga. Copeia 1989(2): 505-508. [Abstract]

Steadman, David W., Pregill, Gregory K. and Burley, David V. (2002). Rapid prehistoric extinction of iguanas and birds in Polynesia. Proceedings of the National Academy of Sciences of the United States of America 99(6): 3673-3677.


<< Back to the Sauria (Lizards) database