They've really clicked! Dolphins and scientists talk to each other using shared primitive language

They've really clicked! Dolphins and scientists talk to each other using shared primitive language
Dolphins are the world's second brightest creatures after humans and have many brain features associated with high intelligence.

So clever are the aquatic mammals that scientists have frequently communicated with those in captivity by rewarding their responses with fish.

But behavioural biologists have now carried out two-way communication with dolphins in the wild in the first study of its kind.