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BIOLOGY:
- ANATOMY -
EXTERNAL ANATOMY (page 4)
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The External Anatomy of the Thylacine

Coat and stripe pattern variation (continued):

    The thylacine's stripes as seen from a dorsal view of the animal's back are not symmetrical in either shape or size.  Consequently, a thylacine photographed or filmed from one side of the body cannot be identified by the stripe pattern on the opposite side (as is demonstrated in the example below).

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specimen skin 26.9.1910 (World Museum, Liverpool)
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Specimen skin 26.9.1910.
Courtesy: World Museum, Liverpool.  Photo: Nicholas Ayliffe.
International Thylacine Specimen Database, 5th Revision 2013.

     The one area of uniformity in the stripe pattern is the spacing between the individual stripes.  Two unrelated thylacine pelts can be placed side by side, and the spacing between each band is virtually identical.

Identification of thylacine taxidermy mounts from photographs of living specimens
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Bronx Zoo thylacine (1902) / AMNH mounted specimen 35244
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Bronx Zoo thylacine (1902).
AMNH mounted specimen 35244.

    Shown at left in the above image is a photograph of the first male thylacine that was exhibited at the Bronx Zoo in New York from 17th December 1902 to 15th February 1908.  The stripe pattern on the back of the animal shows three distinct features that assist in identification, labelled A - C.  Line A shows a distinct interconnecting line between the primary bands.  Line B shows a minor supplementary band just below a main band.  Line C shows an uncharacteristic flattening of one of the principal bands.  Just like fingerprints, these characteristic markings are unique to this individual animal.  If one then examines the taxidermy mount of thylacine specimen (35244) from the American Museum of Natural History in New York (photo at above right), it can be seen that they are one and the same individual.

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References
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back to: External Anatomy (page 3) return to the subsection's introduction forward to: External Anatomy (page 5)


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