Kangaroo Embryonic Diapause - Female kangaroos can temporarily halt the development of an embryo, resuming the pregnancy only when food is abundant and their pouch is free, allowing precise control over reproduction in harsh environments. | The Brain Maze

17K views · 240 reactions | “Shelia” the Bennett wallaby with joey. Embryonic diapause is a reproductive strategy in Bennett's wallabies that delays implantation of an embryo in the uterus. This allows the female wallaby to space out the timing of mating and birth. #bennettwallaby #joey #bestlittlezoointexas | Frank Buck Zoo | Facebook

The Brushtail bettongs breeding chorus sounds like duelling two stroke motors. While not the most romantic sounding small talk this big girl is getting her point across very clearly. The male (the smaller of the two) is following the female around like persistent paparazzi. Females make it clear when they’re not interested—through squeaks, clicks, and other protest noises. Gestation is just 3 weeks, then the tiny joey climbs into the pouch. Even with a joey in tow, females can be ready for anoth