U. S. Fish and Wildlife Service - Northeast Region:
Thacher Island National Wildlife Refuge
U. S. Fish and Wildlife Service - Northeast Region:
Thacher Island sign
U. S. Fish and Wildlife Service - Northeast Region:
Looking south from north tower
U. S. Fish and Wildlife Service - Northeast Region:
North tower
U. S. Fish and Wildlife Service - Northeast Region:
North tower
U. S. Fish and Wildlife Service - Northeast Region:
Gull on wing
U. S. Fish and Wildlife Service - Northeast Region:
Geese and goslings
U. S. Fish and Wildlife Service - Northeast Region:
Framed tower