A descriptive name given on account of the many ways the head suggests “bows”: the profile of the bowhead whale resembles the “bow of a boat,” the upper jaw is arched like an archer’s bow, and the baleen arches like a taut bow.

The baleen in the bowhead is the longest of the baleen whales, with plates reaching about 4 meters (13 feet). The bowhead has more than 300 plates of baleen on each side of the upper jaw, filtering small crustaceans from Arctic waters. While they were hunted for oil, the baleen was also sought for many products until new materials, including plastics, replaced it—another strange industrial turn in the history of whaling.

Identification & Arctic Habitat

Balaena mysticetus is a stocky, dark-colored whale with a white chin, no dorsal fin, and an enormous head that can make up roughly one-third of its body length. Adults may reach about 19 meters (62 feet) and weigh up to 90 metric tons (approximately 200,000 pounds).

This cousin of the Right Whale resides almost exclusively in Arctic and subarctic waters. They follow the advance and retreat of the sea ice, can use their thick, bony skulls to break breathing holes through roughly half a meter of ice, and are often accompanied by belugas.

How Bowhead Whales Use Sound

In a world shaped by sea ice, winter darkness, and long distances, sound is essential. Bowheads produce low-frequency calls, pulsed sounds, and complex songs that may support communication, navigation, social behavior, and reproduction. They can produce two harmonically unrelated tones at the same time, adding unusual complexity to their songs.

Recent research has revealed extraordinary musical variety. Scientists documented 184 distinct song types from one Arctic population across three winters. New fine-scale analysis also shows that some song patterns remain stable for weeks while others change within minutes. Their songs are not a fixed repertoire; they are a living, shifting acoustic culture.

Life in Ice and Remarkable Longevity

The lifespan of most whales had long been framed in the context of human longevity, despite the lack of substantiating evidence. That changed when traditional stone harpoon points and nineteenth-century weapon fragments were found lodged in bowheads taken by Indigenous subsistence hunters. Those findings, together with chemical aging of eye lenses, support lifespans exceeding 200 years—making the bowhead the longest-lived mammal known.

Current research suggests that exceptionally accurate DNA-repair systems may help bowheads maintain their cells across two centuries. The regulated subsistence harvest practiced by Alaska Native communities continues a deep cultural relationship with bowheads and has also contributed important knowledge to long-term scientific research.