they have gotten significantly smaller over time, in comparison to thier pre-historic ancestors.
Caimans belong to the same family as Alligators, and so are usually smaller than crocodiles (although the Black Caiman can reach lengths of 15 - 20FT!), they have smaller, U-shaped snouts, and their jaws are designed for crushing bone. Caimans also appear a darker colour (like alligators) than most crocodiles, and are generally not as fierce. Hope that helped :)
no they are massive
Well, crocodiles consume anything bigger than them and alligators usually consume anything that is smaller than them.
The most intriguing thing about American crocodiles is despite the fact that they are bigger than American alligators and caimans (and smaller than Nile and saltwater crocodiles), they are not man-eaters like their other relatives and are in fact the one crocodilian subspecies that would not want to attack people. Instead, they are shy and would rather avoid people whenever they can.
Hippos are at least 2x bigger than crocodiles and alligators.
Salamanders can be eaten by crocodiles and sometimes fish. It's usually prey to predators that are in it's surroundings and are bigger than it.
false
Snakes and crocodiles because snakes and crocodiles are both reptiles but a frog is an amphibian.
Bigger or smaller than before
American crocodiles have been known to eat other American crocodiles on occasions. Other than that, crocodiles almost has no predators except for humans.
crocodiles are generally stronger than tigers because they have something called a death roll
yes, crocodiles have more than 50 muscles in its face.