Herring run at Horn Pond, Woburn, Massachusetts.

In 2018, new fish ladders and spillways allowed herring to bypass

dams on the Mystic River and reach Horn Pond

for the first time in a century.

Now 20,000 herring reach Horn Pond to make babies each spring,

Part of 500,000 herring who swim up the Mystic River to spawn each year,

One of the largest herring migrations in Massachusetts.

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Categories: Nature