#OnTV - Sunday 26 May sees the first of a two-part documentary series on The Secret Life of the Shannon on RTÉ One.

The series will take viewers on a journey along the River Shannon with wildlife cameraman and presenter Colin Stafford Johnson, who spent a year living on the river on a barge, camping on its banks and exploring its tributaries in a traditional canoe.

His quest was to film the natural history of the 340km of the Ireland's longest inland waterway as it has never been seen before - and if the above video is anything to go by, he's done an incredible job.

The Secret Life of the Shannon part of the RTÉ Goes Wild month-long celebration of Ireland's wildlife on television, radio and online.

Episode one will be broadcast on Sunday 26 May at 6.30pm on RTÉ One, with the second episode to follow at the same time on Sunday 2 June.