![]() ![]() Hatchlings, whose weight often increases by a factor of 20 during their first 14 weeks of life, possess vestigial teeth that are shed shortly after the young platypus leaves the burrow to feed on its own. ![]() The young suck milk from special mammary hairs and remain protected in the burrow, suckling for three to four months before becoming independent. Each tiny platypus hatches from the egg with the aid of an egg tooth and fleshy nub (caruncle), structural holdovers from a reptilian past. The female incubates the eggs by curling around them with her tail touching her bill. Gestation is at least two weeks (possibly up to a month), and incubation of the eggs takes perhaps another 6 to 10 days. Females construct specially built nursery burrows, where they usually lay two small leathery eggs. SpaceNext50 Britannica presents SpaceNext50, From the race to the Moon to space stewardship, we explore a wide range of subjects that feed our curiosity about space!. ![]() Learn about the major environmental problems facing our planet and what can be done about them!
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