Much of what the world knows about the narwhal's picky eating habits comes from Laidre's research, particularly a 2005 study that offered the first evidence of the whales' winter diet, which is heavy ...

Narwhals have fascinated and confounded humans for centuries. Now an exhibition at Salem’s Peabody Essex Museum is diving into the mystery, history and science of these elusive tusked “unicorns of the ...

Like belugas and bowheads, which also inhabit arctic waters, narwhals are about 50 percent body fat; other whales are closer to 20 or 30 percent. No one has ever seen a submerged narwhal eat. Laidre ...