Dolphin are mammals. they live in the oceans. their favorite food is fish. they give birth to one calf every two years. the life span of dolphins can be reach 65 years. dolphins are endangered because they are huntingDolphins are mammals. they live in the oceans. Their favorite food is fish. they give birth to a calf every two years. the lifespan of dolphins can be up to 65 years and they might live longer. the dolphins are threatened because they are hunted
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