Q&A: Edinburgh's giant pandas

Tian Tian, pictured in April this year, a few days before she was artificially inseminated

Since they took up residence in Edinburgh Zoo, they have become two of the city's best-known characters.

Yang Guang and Tian Tian, the giant pandas, arrived in a 10-year loan deal from the Ya'an reserve in Chengdu, China, on 4 December 2011. The pair, who are are both aged 10, have since attracted visitors from around the world.

Tian Tian conceived for the first time in 2013, but the pregnancy failed. Now the zoo says it believes she is pregnant again and may give birth at the end of the month.

When did Tian Tian become pregnant?

Has Tian Tian been pregnant before?

Nine-year-old giant panda Yang Guang has fathered cubs before

How long does a panda pregnancy last?

Could there be twins?

Would the panda cub or cubs remain in Edinburgh?

When will the public be able to see any new panda cub or cubs?

Why do giant pandas seem to find it so difficult to breed?

Why did Yang Guang and Tian Tian come to Edinburgh?