Jaguar vs. crocodile

"The dark floor and muddy rivers of the rain forest are perfect for hunting, and the jaguar and crocodile both stalk their prey with ease. But which animal is the fiercest of the ecosystem? Does the jaguar's speed give it an edge? Or does the crocodile's strength make it superior? Compare and contrast each animal's features and skills before you declare the winning predator"--Provided by publisher.