10 September 2025

Whaling in the Middle Ages

Yesterday's post referred to Ohthere of Hålogaland supporting himself partially through whaling. Whaling centuries ago should not be a shocking idea: evidence for whaling in Alaska has been found dating to 1000BCE, and there are neolithic depictions in Korea that may be whaling as far back as 6000BCE.

Rather than going out into the open sea to catch a large animal, a common method was to take several small boats away from a shore where it is know that whales and dolphins consort, then forming a barrier in an attempt to drive them to beach themselves on shore.

Another method that presents less danger to sailors is to use a drogue, a floating object that is attached to a harpoon by a rope. If the harpoon makes solid contact with a whale, the buoyancy of the drogue makes it difficult for the animal to descend and tires it out so that the sailors can catch up with it. Melville's Moby Dick refers to druggs for this purpose.

Petroglyphs in Korea show boats surrounding sperm whales and humpback whales, but most whaling tackled smaller prey (see relative sizes here). Large whales were looked on to the medieval mind as scary and dangerous, but the smaller ones were gladly hunted for food and materials. One inventory of whales from the Middle Ages mentions the pilot whale (between five and ten meters long) as a popular target for its relatively small size and the ability to drive it into shore. Minke whales were also valuable due to their smaller size.

Smaller whales, porpoises, dolphins that were driven to beach themselves were then clubbed or knifed. The body parts were divided equally among the participants. Some animals wound up on shore on their own and were a call to gather and finish it off (if it were still alive) and share the spoils before they spoiled.

The Dominicans Vincent of Beauvais (c.1190 - 1264) and Bishop Albertus Magnus (c.1200 - 1280) wrote of observing whaling; they both described it as a group project. Bede (672 - 735) mentions the capture of whales.

Iceland had some very strict laws about whaling, which we will talk about tomorrow.

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