Sexing the wallaby: Marsupial reproduction and what it says about us

The Tammar wallaby is a curious creature, not least because it is a marsupial – one of the minority mammals that give birth to immature young that complete development in a pouch rather than a womb. Marsupials are often contrasted with placental mammals such as ourselves, but far from being a-placental, marsupials like the Tammar do form a placenta, which nourishes the developing foetus until birth. Once born, the tiny neonates rely on milk from the mammary glands within the mother’s pouch, which is specifically tailored for the age of the developing wallaby. Continue reading “Sexing the wallaby: Marsupial reproduction and what it says about us”