It's completely absorbing: we listen out as foraging flocks move through forests and learn about different birds' characters and calls, from the alarm cry of the wren to the sharp contact call of the chaffinch.

这真的非常吸引人：我们听着觅食的鸟群穿过森林，了解不同鸟类的性格和叫声，从鹪鹩的警报叫声到燕雀尖锐的联络叫声。