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Humans may not be the only ones to use grammar and vocabulary to speak and communicate. Scientists believe dolphins also use words and sentences to speak each other. We have known a long time that dolphins can communicate. New research suggests that this communication is similar the conversations humans have. Scientists say the clicks, whistles and other sounds that dolphins make appear to be sentences that let the sea creatures send messages to each other. The dolphins use their language to identify themselves, have relations other dolphins, and do things together. Scientists say that one day, we may be able to understand dolphin language and talk dolphins.

Researchers the Karadag Nature Reserve Crimea made the discovery that dolphins had their own language after recording two Black Sea bottlenose dolphins. The dolphins were named Yasha and Yana. The scientists noticed that one dolphin listened to what the other was saying and then replied. Lead researcher Dr Vyacheslav Ryabov said: "This exchange resembles a conversation two people." He added: "This language exhibits all the design features present the human spoken language. This indicates a high level intelligence and consciousness dolphins." Dr Ryabov said the dolphins' language is, "a highly developed spoken language, like the human language."

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