What is special about dolphins? - Quora
Dolphins have 'longest social memory' among non-humans - BBC News
50 Fun And Fascinating Dolphin Facts for Kids
Dolphins News - SciTechDaily
65 Playful Dolphin Facts To Entertain You
Whales and dolphins lead 'human-like lives' thanks to big brains, says study, Science
Squirrels, elephants and dolphins: Three animals with incredible memories - BBC Bitesize
Miami Seaquarium transfers Pacific white-sided dolphin to park in Texas