Tortoises and turtles held in captivity can pick up diseases and spread them to wild animals. The captive animals live a fairly stress-free life so are able to fend off the diseases. However, wild populations live a more stressful life and their immune systems may not be able to cope with any sort of infection.
they are putting them back in the to stop people from killing them
They do not. They are normal reptiles that have blood similar to humans.
because of there leather shell
A sea turtles shell stays on its back because its attached
turtles are a vertebrate that is why the have a hard thing on its back so turtles can protect its self from predators
leather back sea turtle.
Not always - generally they will reject babies that have been touched by humans., they will also sometimes eat their young after contact.
there are about -556 leather-back turtles in the zoos around the globe.
There are only about 2000,to 3000 leather back turtles in the world
who crosed the desert on camel back
helps them
because the back of their shell is patterned like a map