Hunter-gatherer tribes during the Paleolithic Age, and even today, sleep in groups to conserve heat and provide security.
Here, the Croods are hunted by a big cat-like species. In the Paleolithic Age, humans were constantly preyed upon by saber-toothed tigers, which were a species of big cat.
Before Keda embarks on his journey for the coming of age tradition with the elders of his tribe, he must undergo the accompanying ritual.
As a coming of age tradition, Keda and his fellow peers must carve tools and engage in a fight to prove their worthiness.
During the Paleolithic era, man learns how to use the natural resources around him to create weapons to reassert his power among other men.