Tulkun are a large marine whale-like species native to the oceans of Pandora. These sea animals are highly intelligent and bond with the Metkayina clan. Despite their sapience, the Resources Development Administration slaughters them to harvest their amrita. The tulkun is presumably the largest fauna on Pandora, being up to 300 feet (91.4 meters) long when fully grown, 3x bigger than even the largest Blue Whale. They are also sexually dimorphic with the males typically being 8-10 meters...