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New UK Species of snake? |
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chubsta
Senior Member Joined: 26 Apr 2013 Location: Folkestone,Kent Status: Offline Points: 430 |
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Posted: 07 Aug 2017 at 3:53pm |
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Hawley
Senior Member Joined: 11 Apr 2009 Location: United Kingdom Status: Offline Points: 113 |
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Hmm, just seen that. Very interesting
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Iowarth
Admin Group Joined: 12 Apr 2004 Status: Offline Points: 743 |
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Very interesting, yes, BUT not what the research actually shows - see https://www.nature.com/articles/s41598-017-07847-9
Chris |
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Chris Davis, Site Administrator
Co-ordinator, Sand Lizard Captive Breeding Programme (RETIRED) |
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Iowarth
Admin Group Joined: 12 Apr 2004 Status: Offline Points: 743 |
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For those who don't like wading through scientific data this can be summarised as follows:-
And, of course, this all depends on what definition of what constitutes a species - which no-one seems to be able to agree on! All the best Chris |
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Chris Davis, Site Administrator
Co-ordinator, Sand Lizard Captive Breeding Programme (RETIRED) |
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Tom Omlette
Senior Member Joined: 07 Nov 2013 Location: Stoke on Trent Status: Offline Points: 449 |
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Thanks Chris
I have already reposted your summary elsewhere, taking all the credit myself of course lol. How many persa populations are we aware of by the way. tim |
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Iowarth
Admin Group Joined: 12 Apr 2004 Status: Offline Points: 743 |
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Hi Tim
Hmm - tricky that one. I know a man who knows and will try to get in touch with him All the best Chris |
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Chris Davis, Site Administrator
Co-ordinator, Sand Lizard Captive Breeding Programme (RETIRED) |
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PondDragon
Senior Member Joined: 15 Jul 2013 Status: Offline Points: 55 |
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Your 2nd helvetica is unnecessary as Natrix helvetica has no subspecies. It's just Natrix helvetica. |
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Iowarth
Admin Group Joined: 12 Apr 2004 Status: Offline Points: 743 |
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Sorry PondDragon, but I have to differ. Under the proposed new classification, all of the western grass snakes have become Natrix helvetica with several sub-species. Thus we now have five sub-species within the proposed new species ( see table extracted from the relevant research paper at foot of post). Thus, although it would be permissible to refer to our grass snake as Natrix helvetica if it was clear that we were referring only to the native UK animals, in a wider context it is one of five distinct sub-species and the full nomenclature would be correct.
All the best Chris Old name .............................. New name
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Chris Davis, Site Administrator
Co-ordinator, Sand Lizard Captive Breeding Programme (RETIRED) |
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PondDragon
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Yes, sorry I missed that bit of the paper. It will be interesting to see what happens to some of the range-restricted subspecies though when they get round to more complete genetic analyses.
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Iowarth
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Yes, I agree totally with that (even though I am a "lumper" rather than a "splitter" and maintain that most of these species separation are actually scientific evidence for sub-species - something which has never before existed)
Chris |
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Chris Davis, Site Administrator
Co-ordinator, Sand Lizard Captive Breeding Programme (RETIRED) |
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