Every spring, nature puts on a breathtaking display on the British Columbia coast. The waters turn milky white as millions of male herring release sperm, while the female fish lay billions of pinhead-sized eggs. Both the eggs and the fish themselves are a critical post-winter food source for animals from bears to bald eagles, whales to wolves, and herons to humans. Travel to the BC Central Coast to watch the show!

There’s some brilliant underwater footage in this. From Hakai Institute, watch Beauty and the Feast: When Herring Come to Spawn.

File under: Mating, swarms, and food chains.

Next: Under The Dock, Hakai’s marine life series, Norwegian orcas eat herring by cooperatively carousel feeding, and Feedback loops – How nature gets its rhythms.

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