The Liver Birds and Series 1 starred Pauline Collins as Dawn and Polly James as Beryl Hennessey. In Series 2, Nerys Hughes debuted as Sandra Hutchinson, replacing Dawn for the rest of the programme's run. The Beryl-and-Sandra pairing is generally regarded as the programme's best period. Beryl was the more 'common' one, while Sandra was soft-spoken and more refined, due to the influence of her snobbish, overbearing mother (Mollie Sugden). Carla Lane drew on her own mother for the character – "Mrs Hutchinson, I think she was my mother. I'm sure she was my mother". Beryl's 'common' mother (the Hennesseys live in Bootle,
Handbook of the Birds of the World world. Since the first volume appeared in 1992, the series has received various international awards. The first volume was selected as Bird Book of the Year by the magazines "Birdwatch" and "British Birds", and the fifth volume was recognised as Outstanding Academic Title by "Choice Magazine", the American Library Association magazine. The seventh volume, as well as being named Bird Book of the Year by "Birdwatch" and "British Birds", also received the distinction of Best Bird Reference Book in the 2002 WorldTwitch Book Awards This same distinction was also awarded to Volume 8 a year later in 2003. Individual volumes