Rhyncocephalia Fish Lissamphibia Mammalia Testudines Lacertilia

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Presentation transcript:

Rhyncocephalia Fish Lissamphibia Mammalia Testudines Lacertilia Serpentes Rhyncocephalia Crocodylia Aves

Sphenodon guentheri Sphenodon punctatus

Rhynchocephalia

Rhynchocephalia Sphenodon punctatus: ~30 offshore islands Sphenodon guntheri: found naturally on only one island

Sphenodon (“wedge tooth”)

Tuatara – Natural History

Reproductive Biology

Threats to the Tuatara Vulnerable to extinction Introduced animals Small clutches Long incubation Slow to mature Infrequent reproduction Introduced animals New Zealand Department of Conservation