Western Pilbara Spiny-tailed SkinkCollection Highlights | Updated 10 years ago Western Pilbara Spiny-tailed Skink Image copyright of G. Gaikhorst This new species of skink, Egernia cygnitos, was described in 2011 by Doughty, Kealley & Donnellan. It was discovered in the Pilbara region of Western Australia and given the common name of the Western Pilbara Spiny-tailed Skink. Herpetology (Reptiles and Frogs) Collection