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In his comedy act, Ricky Gervais shows examples of homosexuality in nature, all of them from the book "Biological Exuberance, animal homosexuality and natural diversity" by Bruce Bagemihl. One of the examples is homosexuality among dolphins, having anal sex or "blowhole sex" (from minute 8:40 in the above video) depicted in a figure from that book: Dolphins getting it on

Are there reliable sources other than that book that have recorded dolphins get their freak on with nasal cavity sex?

And do they do it during heterosexual sex as well?

Just to emphasize, a dolphin sticking his little man in the blowhole of another dolphin is like a human sticking his little dolphin into another human's nose.

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I swear there's a video of this on Youtube. Can't look now, though –  endolith May 9 '12 at 17:35
    
@endolith, find that video and put it as an answer. –  Ilya Melamed May 13 '12 at 6:28
    
@IlyaMelamed: I'm not sure I want that in my list of top answers. :D It would seem the video was National Geographic/Discovery and has been pulled for copyright reasons? youtube.com/watch?v=b0vGamcQIYs A slightly more reliable reference: "Male Amazonian river dolphins, for example, penetrate the blowholes of other males; female bottlenose dolphins use their snouts as dildos on other females." economist.com/node/8074843 –  endolith May 13 '12 at 15:36
    
most likely this is related to male dogs humping each other as a dominance move –  warren Apr 12 '13 at 18:28

1 Answer 1

up vote 36 down vote accepted

Yes they do. In this article from 1985 by Jean-Pierre Sylvestre

The same adult male, once more tried briefly to insert its erect penis into the blowhole of one of the juvenile male Orinoco dolphins swimming underneath it

Also in an article at the Economist: (credit to endolith)

Male Amazonian river dolphins, for example, penetrate the blowholes of other males; female bottlenose dolphins use their snouts as dildos on other females.

And an article at the NY times (credit to Oliver_C):

Male Amazon River dolphins have been known to penetrate each other in the blowhole.

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These could all be one source, given that the last two articles don't mention a source and likely didn't do any observations on their own. That said, the top link does provide another source to back up the original claim –  msmucker0527 Jun 24 at 19:59

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