Here's What We Know About Dolphin Intelligence | National Geographic
https://www.youtube.com/watch?v=_bnur3gHJ0s
Diving With Dolphins - Joy | Mindful Escapes | BBC Earth
https://www.youtube.com/watch?v=hqQ1ZS-HSdE
Why are sharks afraid of dolphins?
https://www.youtube.com/watch?v=CCr6RP68OpQ
Dolphins Play Catch with a Pufferfish! | Spy In The Wild | BBC Earth
https://www.youtube.com/watch?v=0T5aGLybXEs
Bully Bottlenose Dolphins | Wild Caribbean | BBC Earth
https://www.youtube.com/watch?v=CF3VzOw6hFs
Dolphins: How Smart are They Actually? | Inside the Animal Mind | BBC Earth
https://www.youtube.com/watch?v=6M92OA-_5-Y
Smart Dolphins Beach their Prey | The Hunt | BBC Earth
https://www.youtube.com/watch?v=EVJ_sbmw07M
Dolphins: Even Smarter Than You Thought | Nat Geo Live
https://www.youtube.com/watch?v=XZ4hZx6K85Y
Could we speak the language of dolphins? | Denise Herzing
https://www.youtube.com/watch?v=CQ5dRyyHwfM
Dolphin
https://en.wikipedia.org/wiki/Dolphin
Evolución convergente
https://es.wikipedia.org/wiki/Evoluci%C3%B3n_convergente
Cetacea
https://es.wikipedia.org/wiki/Cetacea#Aletas
Pez
https://es.wikipedia.org/wiki/Pez#Sistema_respiratorio
Delphinidae
https://es.wikipedia.org/wiki/Delphinidae
Mammalia
https://es.wikipedia.org/wiki/Mammalia
Brain to body mass ratio
https://en.wikipedia.org/wiki/Brain-to-body_mass_ratio
Cetacean intelligence
https://en.wikipedia.org/wiki/Cetacean_intelligence
Orcinus orca