Tuatara science:

Herpetological publication links (PDF):

Crook. 1973. The tuatara, Sphenodon punctatus Gray, on islands with and without populations of the Polynesian rat... Proc. NZ Ecol. Soc. 20: 115-20.

Newman. 1977. Some evidence of the predation of Hamilton's Frog (Leiopelma hamiltoni (McColloch)) by Tuatara (Sphenodon punctatus (Grey)) on Stephens Island. Proc. NZ Ecol. Soc. 24: 43-7.

Newman. 1994. Egg production by tuatara on Lady Alice and Stephens Island, New Zealand. NZ J Zoology 21: 387-98.

Ussher. 1999. Tuatara (Sphenodon punctatus) feeding ecology in the presence of kiore (Rattus exulans). NZ J Zoology 26: 117-25.

Walls. 1981. Feeding ecology of the tuatara (Sphenodon punctatus) on Stephens Island, Cook Strait. NZ J Ecology 4: 89-97.