Sometimes an animal long thought to be extinct reappears decades or centuries later, shocking scientists! Join Hank Green for a look at seven species that we thought were gone forever... but are back to (hopefully) stay for good!

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Hosted by: Hank Green
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Sources:

http://vertebrates.si.edu/fishes/coel...
https://www.wired.com/2015/03/creatur...
https://www.smithsonianmag.com/scienc...

http://www.nytimes.com/2005/05/12/sci...
https://bdj.pensoft.net/article/4188/
http://news.bbc.co.uk/2/hi/science/na...

https://www.britannica.com/animal/mon...
https://link.springer.com/article/10....

https://www.tmsi.nus.edu.sg/files/05_...
https://www.nparks.gov.sg/mygreenspac...
https://www.gov.sg/~/sgpcmedia/media_...

https://www.researchgate.net/publicat...
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https://www.thebhs.org/projects/21-th...

http://www.smh.com.au/video/sponsors/...
https://theconversation.com/australia...

http://www.anoleannals.org/2012/05/31...
http://www.bbc.com/earth/story/201607...
http://www.tandfonline.com/doi/full/1...

Images:

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