Which of these birds has the largest wingspan on Earth, measuring more than 11 feet across? Explained. The albatross is uniquely recognized for possessing the largest wingspan among all existing bird species, extending beyond 11 feet. This extraordinary wingspan enables the albatross to soar gracefully over the vast reaches of the Southern Ocean, traversing great distances with minimal energy consumption. Regarded as a symbol of liberty and the boundless sea, this majestic bird demonstrates mastery in flight, with certain individuals reportedly circumnavigating the globe multiple times during their extensive and eventful lives.