sentences:  There are three species of crocodiles, the Nile crocodile, the slender-snouted crocodile which lives in forest streams, dwarf crocodile found in mangrove swamps.All the species of sea turtles live in the waters of Sierra Leone with the green turtle and leatherback turtle laying eggs on the shores including on Sherbro Island and Turtle Island.Common species of lizard include the large Nile monitor, the agama seen around settlements, the Brook's house gecko often lives inside houses, and chamaeleos.