This makes the most efficient use of its body shape and allows it to be a fierce predator. Generally, crocodiles wait until their prey gets close enough to be taken with a lightning-fast movement.

According to Milinkovitch, the fact that their body scales and head scales develop so differently also sets them apart as animals. Crocodile body scales develop from what scientists call a polka ...

There are some exceptions to this rule–including in crocodile heads. According to Milinkovitch, the fact that their body scales and head scales develop so differently also sets them apart as animals.