What I Learnt Today : Some Unknown Amazing Facts About Dolphins Dolphins are very intelligent than other creatures except humans. Even they are smarter than apes. A million years ago Dolphins lived on land. Scientists has proven this fact. Dolphins are incredibly social animals. They lived in groups as like as humans society. And Dolphins family bonding is also so strong. They also help the sick or injured members. Dolphins can communicate with each other by whistling. Scientists say that dolphins use their own developed language & they also give themselves names. Dolphins are very curious animals. And also they are very playful like as dogs. Dolphins have an instinct to help humans without any specific reason. Dolphins use ultrasound while hunting. It’s the same method which bat uses. While sleeping Dolphins keep half of their brain awake. This behaviour helps them to be safe from potential predators, and enables them to breathe while sleeping. Killing Dolphi...