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Wyoming Toad

The Wyoming Toad hasn't lived freely in the wild since 1994. Scientists rescued the very last 10 individuals just in time and have been keeping the species alive in captivity ever since. A deadly fungal disease still threatens every toad released back into the wild. Your mission: learn why this tiny toad matters and what makes its rescue so challenging.

Things to know

  • β€’The Wyoming Toad was declared extinct in the wild in 1994, when the last 10 survivors were brought into captivity.
  • β€’A disease called chytrid fungus attacks amphibian skin and has caused more extinctions than any other single disease in history.
  • β€’Scientists maintain hundreds of toads in breeding facilities as an 'insurance population' to prevent total extinction.
  • β€’Reintroduction is very difficult because the fungus is still present in Wyoming wetlands.

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