Loggerhead sea turtles are master navigators, covering thousands of miles of open ocean during their lifetimes. But it all begins with a scramble to the sea immediately after hatching. Newborn turtles must find the ocean and set a bearing to the open sea. This perilous journey, upon which their life depends, requires several sophisticated sensory systems.Read Part I: From Beach to Open Ocean here, and stay tuned for Part II.