Related Clues:

• Heavy herbivore, briefly
• Mighty Joe Young, e.g.
• Animal
• Show unoriginality
• Endangered giant
• King Kong, for one
• Forest swinger
• Boorish sort
• Zoo attraction
• One with a thick skin
• Yerkes Center inhabitant
• Clumsy one
• Do an impression
• Bonobo or siamang
• George of the Jungle's pal