Swamp-Orcs

The Swamp Orcs or Marsh Orcs are a race of Orc-king inhabiting the inhospitable wild swamps and marshlands of Middle-Earth.They are believed to descend from Orcs who retreated into these forbidding regions after the gbreat battles of old, possibly survivors and refugees of Morgoth´s ancient host.

MERP
Wild Orcs are said to inhabit the Dead marshes and Nindalf.