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Afton State Park phenology, week of April 16

By Nina Manzi | April 16, 2021 | 5 minute read

Frogs are calling and monarchs are making the way back north.

Afton State Park Phenology, March 26, 2021

By Nina Manzi | March 26, 2021 | 4 minute read

Birds on the move, flowers ready to bloom, maple trees budding, and a full moon.

Afton State Park Phenology: March 12, 2021

By Nina Manzi | March 12, 2021 | 4 minute read

Waterfowl follow the open water and other early signs of spring.

Afton State Park Phenology Feb. 19 to March 4, 2021

By Nina Manzi | February 19, 2021 | 5 minute read

First bird migration is beginning, maple sap will soon start to run, and other signs of the season.

Afton State Park phenology update: Winter wildlife from owls to snow fleas

By Nina Manzi | February 12, 2021 | 6 minute read

Life continues even during a deep freeze.

Afton State Park Phenology, November 27 to December 10, 2020

By Nina Manzi | December 4, 2020 | 4 minute read

There’s still lots to see, even as winter settles in along the St. Croix Valley.

Afton State Park phenology, week of October 16, 2020

By Nina Manzi | October 16, 2020 | 4 minute read

A meteor shower, late migrators, hibernating butterflies, fall color, and… “coprophagy.”

Afton State Park phenology, week of September 25

By Nina Manzi | September 25, 2020 | 4 minute read

With autumn’s arrival, changes have started happening faster at the seasons change.

Afton State Park phenology week of September 4, 2020

By Nina Manzi | September 3, 2020 | 4 minute read

Migration begins for birds and butterflies, while animals that will stay the winter begin their preparations.

Afton State Park Phenology, Week of August 14, 2020

By Nina Manzi | August 13, 2020 | 4 minute read

The first signs of fall are visible, as squirrels gather walnuts and some bird species begin staging for migration.

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St. Croix 360 builds support for river stewardship, and connects people and organizations. It is an independent news source produced by Greg Seitz, with past support from the St. Croix River Association.

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One of the biggest challenges facing the St. Croix River is harmful blooms of algae in in the lower river, due to excess nutrients in runoff. The goal is to restore the river by reducing phosphorus levels to 360 tons/year. Learn more »

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