Quote Originally Posted by IntheGroove View Post
That is one of the most important creatures on earth...
Yes! And invasive! I had no idea, but just read this recently. The ice age killed them off in most of North America, and they were reintroduced by European settlers about 300 years ago. So cool.

https://www.cbc.ca/news/science/inva...ange-1.6154164

"Earthworms were reintroduced to North America with the arrival of European settlers in the 18th century. There are now more than 30 species of non-native earthworms in Canada, according to Michael McTavish, a postdoctoral research fellow at the University of Toronto specializing in the ecology of non-native earthworms."