Some old footage from a couple of years back, but I thought it was interesting particularly showing the male bluey jumping to grab the female
Mating wild Blotched Blue-tongue Lizards (Tiliqua nigrolutea) at Wilsons Promontory - YouTube
Mating wild Blotched Blue-tongue Lizards (Tiliqua nigrolutea) at Wilsons Promontory - YouTube