dude it depends on the turtle!!! and a baby turtles gonna get to be the size of an adult turtle A baby turtle is about 1-3 inches. An adult turtle let's say red ear sliders are about 10 inches or bigger.
The baby green sea turtle is eaten by raccoons, seabirds and crabs. The only animal that can eat an adult green sea turtle is a shark, and tiger sharks have been known to feed regularly on green sea turtles.