The Skua and the Anhinga are the Alliance Tournament XXI prize ships. A total of 280https://www.eveonline.com/news/view/alliance-tournament-xxi-feeders-and-prizes ships where rewarded (140 of each).
The Skua combines a strongly enhanced form of the Jackdaw's tactical destroyer modes with the additional capabilities of a Command Destroyer. In addition to stronger tactical destroyer mode bonuses, the Skua is unique in having a two second cooldown between switching modes instead of the normal 10 second cooldown. It also receives an immense bonus to rocket range in sharpshooter mode, with the ability to reach ranges that light missiles normally would.
Further information about additional or recommended skills to pilot for a specific or its common role(s) can be written here.
No sub-article about roles or piloting tactics. You can write them here.
Based on the Caldari Jackdaw Tech III Destroyer. In a demonstration, CCP Bee stated that the idea behind the ship was a "Jackdaw on crack", comparing it to old shield regen fit Svipuls. https://www.youtube.com/watch?v=4AaCxXihI90 GRIDLOCKED: ATXXI Wrap Up and Prize Ship Demonstration - YouTube (20:38–20:52)