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What is the average lifespan of a dolphin?

dolphin

dolphin

30 years is the average lifespan of the dolphin.
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What is the average or typical lifespan of a member of the class of organisms dolphin (the aquatic mammal, closely related to whales and purpoises)?
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30 years
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Posted at 17:51 on May 25, 2010.
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you are wrong
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Posted at 20:26 on October 8, 2010.
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1000100
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Posted at 18:36 on November 20, 2010.
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40
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Posted at 3:31 on April 19, 2011.
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External web pages (using standard web search):

What is the average lifespan of a dolphin
A bottle-nose dolphin's average life span is 20 years or less. The age is estimated by examining a sliced section of a tooth and counting the layers.
http://wiki.answers.com/Q/What_is_the_average_lifespan_of_a_dolphin
What is a Dolphin's Life Span? | eHow.com
The average lifespan of a dolphin is about 25 years, but dolphins have been known to live much longer under proper care.... About the Pacific White-Sided Dolphin
http://www.ehow.com/about_4586901_what-dolphins-life-span.html
What is the average lifespan of a dolphin? | ChaCha
What is the average lifespan of a dolphin? ChaCha Answer: The lifespan of dolphins varies greatly between regions and species and is ...
http://www.chacha.com/question/what-is-the-average-lifespan-of-a-dolphin
What is the lifespan of a dolphin? | Answerbag
What is the lifespan of a dolphin? The average amount of time is about 20 years or less. The longest one has ever lived is 48 years. http://www.wiu.edu/users/emp102/DolphinWeb ...
http://www.answerbag.com/q_view/87955
What is an average life span of a dolphin
40 years (at least Chinese White Dolphins) http://en.wikipedia.org/wiki/Chinese_White_Dolphin
http://wiki.answers.com/Q/What_is_an_average_life_span_of_a_dolphin

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