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INTERNATIONAL DAYGENERAL

International Beaver Day

Every year on April 7, the hardest-working rodent in the wetlands gets a standing ovation. International Beaver Day celebrates the beaver, nature's original civil engineer, and the remarkable woman who spent half a century studying it. Every April 7, the day shines a light on the dams, lodges, and ponds that beavers build, and on the wetlands full of life that rise up behind them.

APR7
Wednesday, April 7Every year on April 7
 days to go
Roots
Created in 2009 by Beavers: Wetlands and Wildlife (B.W.W.), a nonprofit carrying on the conservation work Dorothy Richards began.
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3 ways to celebrate

AT HOME

Backyard Beaver Study

Look for gnawed stumps, peeled bark, and muddy slides at a local park or stream, then sketch what a beaver lodge would look like.

WITH FRIENDS

Dam Spotting Walk

Hike to a pond or stream with friends, photograph signs of beaver work, and compare finds over hot chocolate afterward.

IN THE COMMUNITY

Library Beaver Display

Ask a library or nature center about a beaver program or book display, or donate a children's book about wetlands.

Plan ahead

International Beaver Day is observed on April 7 every year. Here is where it lands for the next ten years, handy for planners, marketers and party people.

2026Tue, Apr 7this year
2027Wed, Apr 7
2028Fri, Apr 7
2029Sat, Apr 7
2030Sun, Apr 7
2031Mon, Apr 7
2032Wed, Apr 7
2033Thu, Apr 7
2034Fri, Apr 7
2035Sat, Apr 7
2036Mon, Apr 7

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Fast facts

The longest known beaver dam, in Wood Buffalo National Park in Alberta, Canada, stretches about 850 meters, more than eight football fields.
Hike to a beaver pond, look for gnawed stumps and lodges, and share a photo of the busiest builder in the wetlands.

Keep the party going

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2027 Wall Calendar, signed by Marlo Anderson2027 Wall Calendar, signed by Marlo AndersonSigned by the founder of National Day Calendar.
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