File:Thylacine pouch.jpg

Summary
One of only two known photos of a Thylacine with a distended pouch, bearing young. Adelaide Zoo. Date: 1889. Source:www.naturalworlds.org/thylacine/naturalhistory/growth_development.htm and  books.google.com/books?id=x3Xqp7DAo1gC&pg=PA59#PPA58,M1 Author: Unknown This image is of Australian origin and is now in the public domain because its term of copyright has expired.