The snake in questionw as decribed in 1995 as a new species, Clelia errabunda. There has been a long history of confusion as to what this was and where it came from, with specimens supposedly having been collected from several different islands. The best evidence came from stomach contents: a Bothrops caribbaeus. Sadly, the species does indeed appear to be extinct, most likely due to the introduction of mongooses. There is no evidence of Clelia being found, or ever having been found, on Dominica. The island retains plenty of good habitat, and remains mongoose-free. A number of colleagues have been doing regular, intensive fieldwork there for nearly 15 years, so I imagine that they would have found it if it occurred today.
The EMBL database is out of date as far as the occurrence of Clelia in the Caribbean is concerned.
I don't know what the situation is on Grenada.
Cheers,
Wolfgang
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