Three 45 day-old Bengal White Tigers cubs are seen at their cage in the Buenos Aires Zoo.
The Bengal White Tiger is found exlusively within South Asia, however several zoos around the world keep them in captivity / AP
TARONGA ZOO, SYDNEY
A zookeeper holds a Fijian Crested Iguana at Sydney's Taronga Zoo.
Only a few wild populations remain of the endangered iguana which is found on several Fijian islands.
The species faces possible extinction due to habitat destruction and competition from introduced species / Reuters
EDINBURGH ZOO, SCOTLAND
Indah, a three week old Malayan Tapir, chews on a twig at Edinburgh Zoo, Scotland.
Malayan Tapirs, which are an endangered species, are hoofed
animals related to rhinos and horses and are found in the forests of
Malaysia, Thailand, Burma and Sumatra / Reuters
MELBOURNE ZOO
Seven-year-old Timika, an endangered Goodfellow's Tree Kangaroo
from New Guinea, will be helped by a Melbourne Zoo foundation / Andrew
Henshaw
SAN DIEGO ZOO, US
Three critically endangered Burmese Star Tortoises at the San
Diego Zoo, the first time this species has successfully reproduced at
the facility.
The Burmese Star Tortoise is not often bred in zoos, but with
more as-yet-unhatched eggs, animal care staff are hoping that more of
the tortoises emerge.
The reptile is almost extinct in its native Myanmar as its
numbers dwindle due to deforestation and hunting, both for food and
profit / AFP
BUDAPEST ZOO, HUNGARY
One of the Budapest Zoo's three six-week-old Mandrill babies
(Mandrillus Sphinx) rests in the lap of its mother during the first
public appearance in Budapest, 2007.
The Mandrill is one of the endangered species of West Africa,
for which a breeding program is coordinated at the Budapest Zoo / AP
PERTH ZOO
A Numbat, one of Australia's most endangered animals, at Perth Zoo / Ernie McLintock
ATLANTA ZOO, US
Yang-Yang, left, and Lun-Lun stare into the viewing area at Atlanta Zoo as people visit the two Giant Pandas / AP