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At birth, the young is about 19 mm in length and weighs
about 0.5 g. |
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At 7 weeks, the young has a head length of about 26 mm.
The head is large in proportion to the rest of the body. |
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By 13 weeks, the young has attained a body weight of
about 50 g and a head length of 50 mm. |
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At about 22 weeks of age, the eyes open and the young
begins to poke its head out of the pouch for the first time. |
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By 24 weeks of age, the cub is fully furred and the
first teeth erupt. |
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At 30 weeks, the cub weighs about 0.5 kg and has a head
length of 70 mm. It now spends most of the time out of the pouch
clinging to the mother's belly. |
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Some 6 weeks later, the cub weighs 1 kg and no longer
enters the pouch. It spends much of the time sitting on the mother's
back, but returns to the mother's belly in cold, wet weather and to
sleep. |
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At 37 weeks, the cub moves from contact with the
mother; the excursions were brief and quickly terminated if the mother
moved. |
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At 44 weeks, the cub still ventures less than a meter
from the mother. |
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By 48 weeks, the cub is more adventurous and no longer
squeaked when the mother was removed. At this age, mother and cub are
often seen sleeping back to back. |
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The cub remains with the mother until about 12 months
of age when it weighs a little over 2 kg. |