Skink

Oligosoma nigriplantare

This is New Zealand's common skink.  I don't usually get to see them in the wild, if you'd call my rockery the wild, but a warm burst of sunshine after a cold morning brought it out.  As it darted off I saw that it was pristine and has never lost its tail.  This means it has never visited my bathroom, where the cat brings her victims to play with them.  I manage to rescue most of them, but not often their tails.

The skink is one of the very few four-legged wild animals I see in my garden.  The others are hedgehogs and field mice.

Edit:  Skinks are smooth skinned lizards.