 One of the other species Menier introduced was a herd of 220 white-tailed deer who, because there were no natural predators, thrived.The island's deer population is now is estimated at well over 100,000.Along with its 24 rivers and streams bountiful with salmon and trout, it is today a paradise for paleontologists, bird watchers, hikers, and a major draw for anglers and hunters, particularly those from the United States.