There is a view that the word 'butterfly' originates from the yellow colour of male Brimstones. The wings of the female are very pale green, almost white, males have yellow-green underwings and yellow upper wings.

Naturefile is a celebratory journey to the lesser-known realms of nature in Ireland with Anja Murray.  With surprising stories uncovered each week, about everything from lichens to trees, Swallows to Sea Eagles, starfish and turtles, there are elements of science, history and folklore.

Daybreak with Evonne Ferguson

Evonne Ferguson will be up with the early birds to ease you into the weekend with her gentle blend of music from across the centuries, plus news, weather and 'NatureFile'. 

<p>Evonne Ferguson will be up with the early birds to ease you into the weekend with her gentle blend of music from across the centuries, plus news, weather and 'NatureFile'.&nbsp;</p>