Sneak peek at Sir David Attenborough's newest series: From  one of the world's rarest birds to a never-before-seen critically endangered species

David Attenborough has fixed a sneak peek into his latest quality documentary up of its merchandise this Sunday. 

Stunning images from nan documentary showcase nan diverseness of nan Asian continent aft nan unit crisscrossed nan continent complete 4 years. 

The bid will show animals arsenic acold northbound arsenic the Baikal seal successful Russia and each nan measurement down southbound to nan Pangolin successful Singapore.    

Thanks to their difficult work, never-before-seen footage of uncommon animals was filmed.

This includes a Gobi bear, one of conscionable 32 near successful nan world, and it marks nan first clip nan endangered type has been captured connected camera. 

The unit besides managed to threat a footage of 1 of nan rarest birds successful nan world - nan Javan greenish magpie.

In Sri Lanka, nan camera unit tried 50 times to get a changeable of an elephant reaching into a autobus looking for food. 

Meanwhile successful Nepal, drones allowed nan squad to seizure footage of tigers mating and hunting.

Sir David, who has worked for nan BBC since 1952, turned 98 while they were making nan series. Series shaper Matthew Wright revealed that nan unit sang happy day to nan nationalist treasure.

Mr Wright, successful words reported by the Daily Mirror, said: 'We said "happy birthday". He was business-like. He said, 'Let's move on. What are we doing next?' 

Producer Mark Wheeler said: 'He's beautiful remarkable. The British nationalist look to him arsenic a existent authentic voice. He's arsenic enthusiastic arsenic ever.' 

Asia will statesman connected BBC1 connected Sunday, pinch each episodes connected iPlayer.