The shovel-shouted lizard can remain buried deep in the sand for an entire day. It also uses the sand to its advantage to hide and hunt. When the lizard spots a predator, it dives and buries itself in the sand.
Just as we use words and sentences to talk to one another, giant river otters too have a vocabulary of their own. Scientists have found that their vocabulary consists of 22 sounds or words' to talk to one another.