02:57 He’s incredible. He doesn’t just imitate the calls of his fellow birds; the little mimic also replicates the sounds of chainsaws, camera shutters, car alarms and other noises he hears in the forest. The range of sounds you’ll hear on this David Attenborough BBC clip is amazing.

02:04 A magical rendition, featuring splendid BBC nature clips perfectly choreographed with Sir David Attenborough’s ‘singing’ the lyrics backed with a lush instrumental score.

02:16 In this BBC clip see what a crow living in a city in Japan does to open a nut that’s too hard for him to crack – wait for the lights to stop the traffic and then collect the cracked nuts in safety!