Harbour Porpoise at Seaford (IMAGE) Zoological Society of London Caption This is a harbor porpoise at Seaford. Credit Rob Deaville_CSIP-ZSL Usage Restrictions MUST CREDIT License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.