![]() At birth, the young eat the placental membranes, and within a few days shed their skin for the first time. The embryos develop in the female's oviduct with the help of a placenta, which is as well-developed as that of many mammals. Life history cycleįemale Shinglebacks give birth three to five months after mating, between December and April. A frightened Shingleback may bite if it is picked up. If the threat does not go away, Shinglebacks may hiss and flatten out the body, making themselves look bigger. This display, together with the large size of the head, may frighten off predators. When threatened, Shinglebacks turn towards the threat, open their mouth wide and stick out their broad blue tongue that contrasts vividly with the pink mouth. This food is supplemented with calcium and vitamin powder to ensure that a nutritionally balanced diet is provided. The timing and order of the diet is changed around to simulate natural conditions and prevent stereotypical behaviour (where an animal will have predictable activity patterns and essentially be waiting to be fed). These consist of a small feed of chopped vegetables on one day, a small serving of kangaroo mince on another day as well two cockroaches, crickets snails for the third feeding. The captive diet for this species at the Australian Museum is provided in three feeds within a period of a week. Their teeth are large and they have strong jaw muscles so they can crush snail shells and beetles. ![]() Shinglebacks are not very agile and the animals they eat are mostly slow-moving. ![]() Shinglebacks eat a wide variety of both plants and animals Shinglebacks eat more plant food than do the other blue-tongues.
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