Fig. 1. Location of six sites along the Hume Freeway: circles = sites with trees in the median (Trees), triangles = sites without trees in the median (No-Trees), and two control sites (stars), in northeastern Victoria, Australia (State of Victoria shown in square in top left corner). The insert shows diagrams of the road intersection layout at Trees, No-Trees, and control sites, where diagonal lines indicate cleared agricultural land. Fig. 1