Final answer:
The loggerhead sea turtle is named for its strong jaws and large head. It navigates by the Earth's magnetic field during migration. Loggerheads and leatherback sea turtles are known for long migrations and instinctive behaviors.
Step-by-step explanation:
The loggerhead sea turtle (Caretta caretta) is named for its powerful jaw muscles and the size of its head. It is also known for using the Earth's magnetic field as a navigational tool during its migration. This biological marvel is one of several sea turtle species that embark on long migrations, with the loggerhead's hatchlings instinctively journeying towards the sea despite numerous predators and challenges. Additionally, sea turtles like the leatherback (Dermochelys coriacea) are fascinating creatures that are studied extensively due to their migration patterns, survival strategies, and evolutionary traits.