A giant panda at a zoo in the United
States has given birth to twin cubs.
Keepers at
the Smithsonian National Zoo in Washington DC only discovered Mei Xiang was
pregnant during an ultrasound scan last week. The zoo said both cubs appeared
healthy. Giant pandas are one of the most endangered species in the world and
are notoriously hard to breed in captivity.
The
National Zoo is one of only four zoos in the US to have pandas, which are on
loan from China. Mei Xiang, who has two other offspring, is one of the zoo's star
attractions and a Panda Cam on her enclosure crashed within seconds of the
birth of the first cub being announced because of the volume of interest.
Female
pandas are able to conceive for only two or three days a year, leading to a
very low reproduction rate. Mei Xiang was artificially inseminated with sperm
from the zoo's resident male Tian Tian and a panda named Hui Hui from Wolong,
China. It will not be known for a while which is the father, or what sex the
cubs are.
It has
previously taken months before Mei Xiang's cubs have been introduced to the
public. AP news agency reports that her first cub, Tai Shan, was born in 2005
and returned to China in 2010; her second cub, Bao Bao, is two years old on
Sunday and still lives at the zoo. The panda population is threatened by
habitat loss as land is increasingly inhabited by humans, with about 1,800
pandas left in the wild in China. However, the number living in the wild in
China has gone up over the last 10 years.
Complete the
sentences below.
Write NO MORE THAN THREE WORDS from the
passage for each answer.
1 Mei Xiang
pregnancy was discovered with an ______________________last week.
2 Pandas
from the USA National Zoo are ______________________ from China.
3 Due to the
short conceiving period, pandas have a low ______________________
4 Pandas are
in danger because their lands are increasingly______________________
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