A total of 340 faunal species are known to inhabit the area, including 82 species of birds, 33 species of reptiles, 15 species of frogs and 14 species of mammals. Notable examples include the snake Acrantophis dumerili, the white-lipped bright-eyed frog (Boophis albilabris) and the Malagasy rainbow frog (Scaphiophryne gottlebei). The many species of bird found here include Benson's rock thrush (Monticola sharpei bensoni), the knob-billed duck (Sarkidiornis melanotos) and the Madagascar ibis (Lophotibis cristata).[2]