Massive lizards could be used to guard sheep from being munched on by blowflies. These huge reptiles, known as heath goannas, are native Australian scavengers that feast on dead animals such as rats.

Jameson compared the scavenging activity of different animals by leaving dead rats at feeding stations, with camera traps, across the landscape. Giant lizards called heath goannas could save ...

Monitor lizards are a large group of lizards that fall under the genus Varanus. There are many different types, and they vary widely in size and appearance. Monitor lizards are not native to the ...