title: M. nigra
text: # M. nigra
  
  M. nigra may refer to:
  
  ## Animals
  
  * Macaca nigra, an Old World monkey species that lives in the northeast of the Indonesian island of Sulawesi (Celebes) as well as on smaller neighboring islands
  * Melanitta nigra, a large sea duck species
  
  ## Plants
  
  * Morus nigra, a black colored mulberry species
  