The discovery of giant rabbit fossils on islands in the Mediterranean Sea suggests that:
The island had to be connected to the mainland in the past.
This is because giant animals, such as the large rabbits found, often evolve on islands due to isolation from mainland populations. Their presence indicates that at some point, the island was accessible to these species, likely through land connections that existed during lower sea levels or other geological events. This can provide insights into the islands' geological history and the dynamic changes in Earth's landforms, such as continental shifts and changes in sea levels.