Two Types of Turtles
In Two Types of Turtles, narrator Sir David Attenborough explores two types of sea turtles — flatback and Ridley turtles. Both lay their eggs in the sand on the coast, but their strategies and survival rates differ. This video is excerpted from BBC’s Blue Planet, a definitive documentary series diving into the mysterious depths of the sea to discover the natural history of the world’s oceans and the rarely seen marine life that reside there.
Lesson Express
Q: How long does it take for the flatback eggs to hatch?
A: It takes nine weeks for the eggs to hatch.
Q: What happens to the flatback turtle babies?
A: Only one out of 100 of the hatchlings will survive to adulthood; many are eaten by night herons once they hatch.
Q: How do the Ridley turtles increase their offspring’s likelihood of survival?
A: They have a multitude of turtles arrive to lay eggs at once and the sheer number of hatchlings emerging at once overwhelms predators.
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