04:20Bitesize PrimaryDarwin's AlbumEpisode 2: Favourable Characteristics of AnimalsBBC Two Duration: 20 minutes Tue 23rd Nov 2010, 04:20 on BBC Two WalesA selection of science clips from BBC programmes, including material about favourable animal characteristics.GenresLearningPrimaryBrandBitesize PrimarySeriesBitesize Primary: Darwin's Album Source: BBC Online