Castillo said during the Creataceous, marine turtles had increased body sizes.

卡斯蒂略说，在白垩纪时期，海龟的体型增大了。

But that does not stop the eggs of marine turtles being poached. Which they are, frequently.

而这并未阻止海龟蛋继续被盗，被盗事件依旧频发。

The findings suggest large sizes in marine turtles developed independently in separate Cretaceous lineages in North America and Europe.

研究结果表明，在北美和欧洲不同的白垩纪谱系中，体型较大的海龟独立发育。

We can start our story of the sea turtle back in the Cretaceous Period, about 120 million years ago, when the first true marine turtles appeared.

我们可以从大约 1.2 亿年前的白垩纪开始我们关于海龟的故事，当时第一批真正的海龟出现了。

Roughly 600 species of corals live in the Great Barrier Reef, alongside more than 1500 species of fish, 215 species of birds, and six of the seven marine turtle species in the world today.

大堡礁内生存着约600种珊瑚，以及1500多种鱼类 215种鸟类，当今世界的七种海龟中有六种都生活在这。