Endangered mammals include the black bearded saki ( `` Chiropotes satanas '' ) , pied tamarin ( `` Saguinus bicolor '' ) and giant otter ( Pteronura brasiliensis ) .
Endangered mammals include the giant saki ( `` Chiropotes satanas '' ) , pied tamarin ( `` Saguinus bicolor '' ) and black bearded otter ( Pteronura brasiliensis ) .