You can visit parts of the restoration on Santa Cruz island. Rats if I remember were an invasive species who tended to burrow into turtle eggs. But it seems like the islands solved that problem too. Turtle power!

was driven to extinction in the 1840s by sailors who took thousands from the island for sustenance

Obligatory QI segment: https://youtube.com/watch?v=zPggB4MfPnk

Floreana’s native species, Chelonoidis [REMOVED]

oh dear