Auckland Green Gecko

AT A GLANCE
Common Name: Auckland Green Gecko
Scientific Name: Naultinus elegans
Category: Reptiles
Subcategory: Geckos
Size: Total length: 5.5–6.5 in (14–16.5 cm); Snout-vent length: 2.6–3.1 in (6.5–8.0 cm)
Weight: 0.4–0.8 oz (12–22 g)
Lifespan: 30–40+ years in the wild; exceptionally long-lived reptile
Diet: Arboreal insectivore and nectarivore (moths, flies, beetles, native berries, and manuka nectar)
Habitat: Dense kanuka and manuka scrub, coastal forest canopies, and sunny bush margins
Range: Northern half of the North Island of New Zealand and adjacent Hauraki Gulf islands
Conservation Status: At Risk – Declining (New Zealand Threat Classification System)

Overview

The Auckland Green Gecko (Naultinus elegans), known in Maori as moko kakariki, is one of New Zealand’s most charismatic and beautiful native reptiles. Unlike the vast majority of nocturnal, drab-colored geckos worldwide, this arboreal jewel is strictly diurnal, sporting brilliant emerald-green skin adorned with pure white or yellow diamond markings. Living in the sunlit canopies of native kanuka and manuka scrublands, it is famous for giving birth to live young rather than laying eggs.

Biology and Physical Characteristics

Naultinus elegans features a slender, graceful body clad in fine, granular scales colored in vibrant leaf-green, affording flawless camouflage among sunlit foliage. Along the spine and flanks run elegant rows of diamond-shaped white or pale yellow blotches bordered in dark green. Its eyes are large, golden-brown with vertical pupils, and when threatened, it opens its mouth in a dramatic defensive display, revealing a startling deep cobalt-blue or purple oral lining and a bright red-orange tongue. Its prehensile tail functions as a versatile fifth limb while moving among swaying branches.

Behavior and Ecology

A diurnal sun-worshipper, the Auckland green gecko basks on outer leaves and branches during morning hours to achieve optimal operating temperatures before hunting flying insects, spiders, and beetles. It is also an avid pollinator, eagerly licking sweet nectar and berries from native flax (harakeke) and manuka flowers. Uniquely adapted to New Zealand’s cool temperate climate, females are viviparous, gestating embryos internally for up to nine months before giving birth to two fully formed, independent neonate twins.

Conservation and Human Impact

Evaluated as At Risk / Declining under New Zealand’s threat classification system, Naultinus elegans has suffered substantial historical declines due to widespread habitat clearance and predation by introduced mammalian pests, including rats, stoats, weasels, and feral cats. The species is strictly protected under New Zealand wildlife legislation, with predator-free island sanctuaries and fenced mainland eco-sanctuaries providing vital havens for population recovery.

Interesting Factoid

When alarmed, the Auckland Green Gecko opens its mouth wide to flash a startling bright cobalt-blue mouth lining and can emit a high-pitched barking or chattering sound to startle predators.

Last updated: October 2026