This first picture is of the mother and is easily 2'6" in length. The others are the baby, only about 6-7" in length.
The can be opportunistic feeders and will also take small lizards, rodents and the odd bird if they can.
Females lay 2-5 large white eggs in summer and the hatchlings measure about 15cm.
Information supplied by: What's that reptile by Johan Marais.