mallard Dalmation pelican, Pelecanus crispus, is the largest pelican in the world and is extremely rare. Zogajsko lake close to Ulcijn in Montenegro. Dalmation pelican, Pelecanus crispus, is the largest pelican in the world and is extremely rare. Zogajsko lake close to Ulcijn in Montenegro. Dalmation pelican, Pelecanus crispus, in flight above Lake Skadar in Montenegro.