The birds spend most of their lives in the open ocean. Observing birds at sea is nearly impossible, so much about puffins remains a mystery. Ecologists like Erpur Snær Hansen, who leads a team at the ...

Assemblages vary from a few hundred pairs in Maine to tens of thousands in Iceland ... the food chain. Mike Harris, who studies the colony on Scotland’s Isle of May, says bluntly, “Puffins ...

Sand eels are a vital source of food for seabirds that live along the UK coastline, including the internationally important puffin colony at Bempton Cliffs in East Yorkshire. A "closure order" was ...