The team of researchers still has to know which turtle it is. It is important to be able to tell turtles apart. That is the only they can keep excellent records. There really is only one other way. All sea turtles have their own special faces just like people do.
Hawaiian turtles have brown plates that form a pattern that is different for every turtle.
You can follow their procedures too using your computer and any good graphics programme. Here we go. We noticed a turtle that crawled up on land again and again. On May 16th we captured this image. On May 16th we captured this image.