While on the beach in New Smyrna Beach, Fla. I watched the seagull and pelican swimming along together. Then the gull jumped on the pelican back,and the pelican did not seem to mind ,and it swam with it on it's back for a awhile . I was able to get a number of photos of them Camera.. Sony A65v Lens Tamron 18 mm-250mm Exp 1/200 .f-9 ISO 100