User blog comment:Daniel large/The Lost World Jurassic park Vs. Jurassic park 3/@comment-11047508-20120319205813/@comment-11047508-20120321103441

spoken like a gentlemen :)

I always understood that there were fenches on Isla Sorna during the creation of the dinosaurs. Then the people that lived on the island either had to contain them or at least have a fenche to keep them out of the Worker Village and the InGen Compound.