Hermione Cockburn looks at the rate at which the sands around Southport are disappearing. (R)
1/12 How animals employ an extraordinary variety of techniques to disperse their offspring. (R)
1/5 Ellie Harrison looks at British mountains and the surprises this terrain holds in winter. (R)
4/5 Ellie Harrison is in the UK's largest estuarine habitat in Morecambe Bay, Cumbria.
5/5 Ellie Harrison visits the Shetland Islands as she explores island life during winter.
3/3 In a rapidly changing Arabia, wildlife finds surprising opportunites and allies.
Saturday 9 March 2013