Groudle zoo was created in the 1870’s as a place for entertainment for the Victorians.

• http://www.isle-of-man.com/manxnotebook/tourism/glens/groudle.htm

• https://manannansreview.wordpress.com/2015/12/04/the-dark-past-of-groudle-glen/

• https://en.wikipedia.org/wiki/Groudle_Glen