Greenbeard’s crew were ace navigators, day or night, and were capable of hiding their data among a jumble of nonsense features.

Here is one of their navigational datasets (here also in FME 2023 version format) 

Open the dataset and try to uncover the crew’s hidden data. Once you’ve done that, you then have to figure out what it means!

The data has a name that you need to enter into the field below. It’s not a lizard, though it’s very close to a lizard!