Here are some additional resources on the breed 🤘🏼
About the Breed:
https://web.archive.org/web/20121129115543/http://www.shetland-sheep.org.uk/breed.html
Breed History
https://web.archive.org/web/20121127203252/http://www.shetland-sheep.org.uk/history.html
A Bit On The Science-y Side
https://web.archive.org/web/20160314153037/http://www.sheep-isle.dk/Shetland/shetland1000.htm#_ftnref9