An adult Common Dolphin and its calf in the River Great Ouse in Cambridgeshire about 40 miles inland from the sea yesterday. This stretch of river also has a resident group of breeding Common Seals but I don't think anyone anticipated a couple of cetaceans joining them @whalesorg pic.twitter.com/E411uY4EXM

— Duncan McNiven (@telophorus) September 1, 2023