Fig. 1: Map of north-western Australia showing the locations (yellow circles) of brush-tailed rabbit-rat (Conilurus penicillatus) tissue samples collected for population genomics analyses, with points sized relative to the number of samples collected from each population.

Blue shading represents the historical (light blue, prior to 2000) and contemporary (dark blue, 2000 onwards) extents of occurrence (EOO) of the species, as defined by α-hull polygons of all available records in the Atlas of Living Australia (http://www.ala.org.au/). The boundary of Kakadu National Park is shown as a dotted line, with the species now thought to be extinct from that region.