Niveoscincus palfreymani, known commonly as Palfreyman's window-eyed skink, the Pedra Branca cool-skink, the Pedra Branca skink, or the red-throated skink, is a species of skink in the family Scincidae. The species is endemic to Australia, and is restricted to the windswept Pedra Branca, an island off southern Tasmania of only 2.5 ha (6.2 acres), where it is dependent on the seabird colonies. It is the only lizard species found on the island.