Yahoo – AFP,
30 June 2015
Sydney
(AFP) - Australian zookeepers Tuesday said they had successfully fostered an
orphaned tree kangaroo with a surrogate wallaby in a rare case after its mother
was crushed by a branch.
The
Goodfellow's tree kangaroo, named Makaia by its carers at Adelaide Zoo in South
Australia, was just five weeks old and at risk of dying after its
three-year-old mother was killed by a falling tree branch in November.
In a bid to
save the joey, which was too young to be hand-reared, zookeepers placed the
baby marsupial in the pouch of a female yellow-foot rock wallaby in a
"cross-fostering" technique they hoped would help it stay alive.
A Zoos
South Australia photo of a
baby Goodfellow’s tree kangaroo known
as a joey on a
blanket at Adelaide Zoo
(AFP Photo/Kate Fielder)
|
"We
were uncertain as to whether the joey was going to be accepted. The joey...
first popped its head out of the pouch around the end of January.
"It
was certainly a sight to see a tree kangaroo joey, with its reddish-tan fur,
bright blue eyes and long claws riding around in a wallaby."
Goodfellow's
tree kangaroos, named after British zoological collector Walter Goodfellow, are
found in the rainforests of New Guinea.
They are
classified as endangered by the International Union for the Conservation of
Nature, with the species under threat from habitat loss and overhunting.
The zoo's
veterinarian David McLelland said, as far as he knew, cross-fostering had not
been attempted with a tree kangaroo before.
"We've
had great success over the years' cross-fostering between wallaby species, but
the specialised breeding technique has never been used on a tree
kangaroo," McLelland said.
"Not
only are tree kangaroos distant relatives of wallabies, they also have many
behavioural and physical differences. We had no idea if the yellow-foot rock
wallaby would accept the tree kangaroo joey, but if we wanted to save the joey
we had to try our luck."
Makaia
lived with his surrogate mother for three-and-a-half months before Males took
over caring for him.
Gestation
takes about 45 days for Goodfellow's tree kangaroos. The babies spend their
first few months in their mother's pouch, suckling, and then leave for
progressively longer periods of time until fully independent.
"He's
certainly a cheeky little fellow and loves running amok," Males said.
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