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From securing permits to making sure habitat is just right, a lot of work goes into bringing new butterflies into our parks. Learn all about the process of reintroducing butterflies, our past successes and which butterflies we hope to introduce into our parks in the future.

Why and How We Survey Bumblebees at Three Rivers

By: Angela Grill

July 12, 2021

Understanding how our bumblebee populations are changing and why helps us determine how we can best support them. Read on to learn all about how we conduct bumblebee surveys in our parks and what you can do to help collect valuable bumblebee data. 

Managing Invasive Species That Are Here To Stay

By: Emily Dunlap

June 14, 2021

When an invasive species isn't immediately eradicated, things can get tough to control. Learn about the most widespread invasive species in Three Rivers and how we and our wonderful volunteers manage them to protect our high-quality forests.

Growing Resilient Forests at the Three Rivers Nursery

By: Missy Anderson

April 22, 2021

Did you know that we have our own plant nursery at Three Rivers? Learn all about why we grow our own plants and how we work to ensure the forests in our parks will be around for years to come. 

Why and How We Prune Trees at Three Rivers

By: Dan Comerford

January 04, 2021

In the winter, our skilled Forestry staff is hard at work pruning trees in picnic areas, campgrounds and other public areas in the parks. Learn all about the art of pruning and why we do it at Three Rivers.

Regal fritillary butterflies have sharply declined in population and are listed as a species of special concern in Minnesota. Learn how and why they are thriving at Crow-Hassan Park Reserve. 

The Search for the Red-headed Woodpecker

By: John Moriarty

November 09, 2020

Red-headed woodpeckers are striking birds that we think could thrive in Three Rivers — but right now we don't have many. Learn what we're doing to investigate why this might be and how we hope to attract them to our parks. 

The Unique Plants of Our Restored Prairies

By: Angela Grill

November 02, 2020

When it comes to collecting prairie seed, we seek plants that fit the job of being unique to supporting diversity and resiliency. Find out the top ten prairie plants for our restoration efforts and learn what makes them so valuable.

Planning for a Prescribed Burn

By: John Moriarty

October 21, 2020

It takes months of planning and preparation to conduct a controlled prairie or woodland burn. As our Natural Resources staff plans for next year's burns, read on to learn about all of the steps they take before ever lighting a fire.

Giving Wood Ducks a Home in Three Rivers

By: Steven Hogg

October 13, 2020

Wood ducks are one of the most spectacular birds in North America. Learn what Three Rivers is doing to provide the space they need to nest and thrive in our parks. 

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