Koalas & Kangaroos
Separated from the
other continents thousands of years ago, Australia
has many unique animals. Classed as
Marsupials, they give birth to extremely tiny
babies, who grow and suckle inside the mothers' pouch.
Some Australian mammals even lay eggs in their
pouches instead of giving birth to live
young. Read more
below.
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Although often referred to as koala bears, these
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plush animals made of quality fabric and ultra plush
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ages! Each of these Aussie critters is 12" high, plus
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Plush Red Kangaroo
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Australian
Marsupials
The continent of
Australia has a large, diverse group of mammals known as
Marsupials – over 200 species such as kangaroos, koalas,
wombats and Tasmanian devils.
Marsupials are
mammals in which the female has a pouch called the marsupium,
from which the name 'Marsupial' derives. Young are born live,
but unlike other mammals, they emerge very early (at about 4-5
weeks) and are essentially only an embryo. The newborn must
make their way from the mother’s birth canal to the nipples
usually located inside the pouch, where they continue to
develop. They climb unaided, although the mother licks a path
in her fur from the vagina to her pouch. The pregnant female
develops a kind of yolk sac in her womb which delivers
nutrients to the baby. As they get older, the young temporarily
leave the pouch, returning for warmth and nourishment
throughout the day.
Nursing continues
even after most young are old enough to leave the nipple.
Kangaroos may nurse their young even when they have grown to
almost the mother’s size. It’s possible for a female to have a
newborn attached to the nipple, an embryo in the uterus and a
youngster at foot still suckling.
Fossil evidence has
shown marsupials actually developed in what is now South
America, around 80 million years ago.
During the Eocene Period, the continents of Australia,
Antarctica and South America were attached. Marsupials could
follow a belt of land all the way around from southern South
America, across Antarctica into southern Australia. About 45
million years ago, the continents slowly drifted apart, leaving
Australia and their marsupials isolated from the rest of the
world.
Many species of
marsupial have declined rapidly since the European settlement
of Australia. The introduction of exotic predators such as red
fox and domestic cat prey on them, introduced rabbits, sheep
and cattle eat their food. Land clearing, swamp draining and
changing fire regimes have also contributed to the decline and
extinction of an array of species. Over hunting and habitat
destruction is attributed to the extinction of the Thylacine,
or marsupial wolf, which has not been seen since
1950.
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