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This is the gut area of an Eastern Grey Kangaroo taken of a property in the Southern Highlands of NSW, Australia. The top red organ appears to be the spleen but what is the elongated tubular organ extending from the spleen? Is it a deformation or the result of disease?

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As far as it can be deducted from the picture you ask about Appendix or just Coecum. This is a normal finding and not abnormal one. (You can see a terminal Ileum as well). If other pictures were provided it could be possible to give more exact answer.

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  • $\begingroup$ I don't know if the question is asking about this organ or the extention of the spleen. But in any case here is some information on the kangaroo "appendix": onlinelibrary.wiley.com/doi/10.1111/j.1420-9101.2009.01809.x/… It's perhaps more blown up than it would be in a living animal, but that's probably a post mortem change as there's still living bacteria in the GI tract producing gas. $\endgroup$
    – Harry Vervet
    Commented Oct 22, 2015 at 14:30
  • $\begingroup$ I was under the impression that macropods did not have an appendix $\endgroup$
    – bashir k
    Commented Oct 23, 2015 at 7:54

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