Extinct Butterfly Returns?

  • Share
    Share Video

  • Add
  • More
    Report this video as:
0 0
You have already voted for this video.
A type of California butterfly was deemed to be extinct, but step-by-step they're coming back from the brin...
A type of California butterfly was deemed to be extinct, but step-by-step they're coming back from the brink. As Ben Tracy reports, scientists are letting nature take its course.
Categories:
Related