Here are some facts about dolphins which you may find interesting. 1. There are about 43 different species of dolphins that have been discovered. Of these species, 38 of them are marine dolphins (meaning they inhabit large bodies of water) and 5 are river dolphins. 2. The average life span of a dolphin is usually between 15-20 years. However, some dolphins have lived near 40-50 years. 3. Dolphins generally do not attack humans. Rather, some dolphins have been known to protect humans from shark attacks and swimming them to shore. Dolphins will only attack humans if they feel threatened or
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