Male turtles become females because of global warming
Scientists warn, some populations of popular turtles may disappear.The poisonous sea turtles of the jellyfish eat voraciously
Ocean marine biologist Johnny Gaskell shot a young green sea turtle tearing jellyfish tentacles as food in shallow waters around Hook Island, Queenland state.Plastic garbage can cause sea turtles to become extinct
Sea turtles are at risk of extinction because they eat plastic bags that they mistakenly think are jellyfish.