His beak can hold more than his belly can.
We were in Mallacoota in Victoria and there had been quite a bit of rain. Once the weather cleared we wandered around the boat ramp watching the commercial abalone boats returning with their catch and amateur fishermen cleaning theirs. The family of pelicans that live on the sandbank opposite the boat ramp, took flight and skimmed in to the pier to get their fill of the leftovers. It was easy to spot the birds that were successful enough to get a fresh feed as the blood dribbled down their huge bills.