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
Kangaroo: A Love Hate Story causing prolonged suffering. Another important point that is made in the film is that the systemic algorithm currently in place to track and monitor kangaroo populations, is complicated and flawed as it does include factors such as drought, illegal shooting, climate change, or slow reproduction rates. "Kangaroo" includes voices from all sides of the issue, including those from a political and economic perspective, as well as from a humanitarian and scientific perspective, interviewing members of Australian parliament and environmental experts. Due to the documentary nature of the film, the cast does not feature a list of characters, but rather a