- The Shard of Tull was added to the game on March 21, 2012.
- The Shard of Tull also appears in the Metal Habitat, the Large Metal Habitat, and the Giant Metal Habitat.
- The name of the Shard of Tull is most likely a reference to Jethro Tull winning the 1988 (inaugural) Grammy Award (USA) for Best Hard Rock/Heavy Metal Performance.
- On December 21, 2012, the Shard of Tull was decorated with holiday decorations for a limited time.
- On February 1, 2013, the holiday decorations on the Shard of Tull were removed.
- On April 17, 2013, the Shard of Tull slightly changed in appearance.
- On April 18, 2013, the Shard of Tull changed back to its original appearance but reverted to the newer apperance on April 22, 2013.