Monitor Lizards are large size lizards and these are the ancient reptiles. The Komodo dragon is the largest species of monitor lizard. Monitor Lizards are found in Australia, all over Asia and Africa continents. Body of monitor lizard is covered with scales in tan, green, grey or brown colour.
Monitor Lizard has forked tongue and strong jaws filled with small, but sharp teeth. It has long neck, powerful body; sturdy legs equipped with sharp claws and very long tail. Monitor Lizard monitors its surroundings by standing on its hind legs to ensure detection of potential predators on time, hence the name Monitor Lizard.

See details and more pictures:
http://www.crazygist.com.ng/2020/02/amazing-and-interesting-facts-of-komodo.html?m=1

Good to know

You forgot to add they're eaten in Nigeria.