Red kangaroo has the ability to freeze the development of an embryo until the previous joey is able to leave the pouch. This is known as diapause, and will occur in times of drought and in areas with poor food sources. The composition of the milk produced by the mother varies according to the needs of the joey. In addition, red kangaroo mothers may "have up to three generations of offspring simultaneously; a young-at-foot suckling from an elongated teat, a young in the pouch attached to a second teat and a blastula in arrested development in the uterus". The kangaroo has also
The Boxing Kangaroo The Boxing Kangaroo The Boxing Kangaroo is an 1896 British short black-and-white silent documentary film, produced and directed by Birt Acres for exhibition on Robert W. Paul's peep show Kinetoscopes, featuring a young boy boxing with a kangaroo. The film was considered lost until footage from an 1896 Fairground Programme, originally shown in a portable booth at Hull Fair by Midlands photographer George Williams, donated to the National Fairground Archive was identified as being from this film. It was one of at least four boxing-themed films Acres produced in 1896, the others being "Boxing Match; or, Glove Contest", "A Boxing