Eoin starts his island voyage on Rathlin where he witnesses one of the most extraordinary leaps of faith undertaken by any animal on the planet – flightless chicks jumping 300 feet from their cliff ledges down to the ocean.

Eoin Warner continues his journey south from Mayo to Clare, featuring the extraordinary battles of breeding grey seals on the Inishkea islands.

Eoin Warner visits Co Kerry's Maharees Islands, where Arctic terns return every summer, before witnessing grey seals on the beach of Great Blasket Island.