Cape Sable in Everglades National Park is one of the most active turtle nesting sites in south Florida. Park biologists monitor sea turtle nesting activity on Cape Sable's beaches throughout the nesting season to document the presence of turtles. Tracks and other signs left on a beach by a sea turtle emerging from the sea are called a crawl. If the conditions are not right and a female sea turtle abandons her nesting attempt, the resulting tracks are called a false crawl.