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Old 06 January 2019, 06:28 AM
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Dasla Dasla is offline
Join Date: 15 April 2010
Location: Brisbane, Australia
Posts: 3,720

I have a degree in biology but not in evolution and have only limited zoological education but my understanding is, from a animal doco, that dolphins and at least one of the great apes also have menopause and they raise their babies in female lead pods or troops. But as I said it isn't my field of expertise and it may be only speculation.

Which leads my to go slightly off topic and say once when I was out fishing with my Dad we went passed or rather were passed by one such pod of dolphins. The dolphins ranged in size from not much bigger then a football (which dad reckons was only a few days old) to full grown. They passed us like we were standing still, which were most definitely not.
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