 The cave explorers will also sight Tiavato bats ("Paremballonura tiavato") in flight and some hanging from the ceiling on stalactite formations of the limestone cave interiors.A cruise on the mangrove before sunset often shows skies with many Madagascar flying foxes ("Pteropus rufus").Also seen in the Anjajavy Forest area is the endangered Fossa ("Cryptoprocta ferox"), the largest mammalian carnivore is endemic to the island.