Alligator (with jaw movement)

With a movable lower jaw! Alligators are easy to distinguish from crocodiles because the teeth on their lower jaw are not visible from the side. The alligator is a dangerous predator with extremely powerful jaw muscles. But only the white shark can bite harder than it. Interesting fact: only the muscles that close the jaws are extremely strong. The muscles that open the snout are so weak that they can be closed with a simple tape. Compared to the saltwater crocodile, alligators are smaller and wider, they live only in rivers and lakes in the southeastern United States and China. From the side it looks like an enemy with a smile.