SINGAPORE, April 20 -- The Mandai Wildlife Reserve will close the Pavilion Capital Giant Panda Forest at River Wonders from April 21 to 22 to allow giant pandas Kai Kai and Jia Jia privacy during their breeding season.

In an Instagram post, Mandai Wildlife Reserve said the brief closure is meant to give the pandas "the peace and privacy they need".

The Straits Times reported that giant panda females like Jia Jia ovulate only once a year and are fertile for just 24 to 36 hours.

"During this period, our animal care team will be closely monitoring the pair's behaviours to determine if and when to introduce them for natural mating," Mandai said.

Kai Kai and Jia Jia arrived in Singapore in September 2012 on a 10-year loan from China.

Thei...