Female sperm whales travelling further north than ever before

Sperm whales are the largest of the toothed whales and are under-researched in Irish waters. File Picture: Irish Whale and Dolphin Group

A new study of sperm whales off the Irish coast has found female and young whales are now travelling much further north than ever before.

The presence of female whale and their calves at higher latitudes is most likely linked to climate change, according to lead scientist Seán O'Callaghan.