Thames 'dolphin' is actually the Putney porpoise

Researchers Say A Lonely Dolphin May Be Exchanging Messages With Porpoises

Dolphins Gang Up on Harbor Porpoise

Dubai on the trail of dolphins, porpoises

'Dolphin' spotted swimming in the river Thames

RNLI volunteers greeted by dolphins on return from tasking on River Thames

Video Captures Pod Of Dolphins Swimming In The Thames At Canary Wharf

Rare Dolphin Spotted Swimming In The Thames

Dolphins filmed swimming next to boat in River Thames

Dolphins spotted swimming in River Thames after making way to London

Can the Patriots actually UPSET Dolphins? w/ Ted Johnson | Pats Interference

All About Dolphins - Sound Of Dolphins ~ dolphin calls freesound

All About Dolphins - Funny Dolphins ★ Dolphins Playing [Epic Laughs]