Turtle Sound, Thompson Creek, and Atwood Creek are inland habitats for marine birds on Crooked Island, in addition to French Wells, the cliffs, and the 50-mile offshore barrier reef. Regular bird sightings include Flamingos, Caribbean Parrots, White-tailed Tropicbirds, Zenaida Doves, Thick-billed Vireos, Audubon’s Shearwater, Sooty Terns, Bridled Terns, Brown Noddy, Bananaquits, Hummingbirds, Mockingbirds, White-crown Pigeons, Ospreys, Egrets, Herons, plus Bahamian endemic bird species, the Bahama Woodstar and the Bahama Mockingbird. There are also 28 sub-species of endemic butterflies here. The ruins at Great Hope House and Marine Farm are now preserved as National Parks, providing a glimpse into the island's rich history. Acklins offers “Tarpon Hole,” a blue hole where tarpon fish breed, iguanas and other exotic wildlife, plus some lovely rare orchids. Nearby Samana Cay, surrounded by coral reefs, is a perfect site for snorkeling and kayaking to view the area’s marine species.