Safari Ltd Type D OrcaSafari Ltd Type D Orca The mysterious Sub Antarctic Killer Whale, also called the Type D Orca, is a strange type of Orca that may represent a unique isolated population of these large cetaceans, or an all new species altogether. Recent studies indicate the unique features of this type of Orca may be due to a lack of genetic diversity. Safari Ltd Model 103538 Size in cm: 15. 3cm x 7. 0cm x 6. 1cm The Orca is part of the Wild Safari Sea Life collection.