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Barbados Threadsnake Rediscovered as Conservation Push Gains Momentum

Verification of the species’ identity at the University of the West Indies has driven renewed calls to safeguard Barbados’s dwindling native forests.

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The World's Tiniest Snake Was Lost To Science For 20 Years. Now, It's Back, And We Have Photos
The Barbados threadsnake, a species lost to science for 20 years, was found during an ecological survey on Barbados by the Barbados Ministry of the Environment and National Beautification and Re:wild in March 2025. Image courtesy of Connor Blades

Overview

  • Field officers Connor Blades and Justin Springer uncovered the snake under rocks near a jack-in-the-box tree in central Barbados before verifying its identity under a microscope at the University of the West Indies.
  • Described in 2008 by Temple University’s S. Blair Hedges as Tetracheilostoma carlae, the blind, burrowing snake measures just 7.5 to 10 centimeters long and feeds on termites and ants.
  • The threadsnake had evaded detection for nearly 20 years and was listed by Re:wild among 4,800 species lost to science.
  • With 98 percent of the island’s primary forests cleared, conservationists are now leveraging the rediscovery to press for stronger protection of Barbados’s remaining native woodlands.
  • Researchers plan further surveys to map the threadsnake’s range and inform habitat preservation strategies for this critically endangered endemic.