Natural World

Rolf Peterson

What This Winter's Ice Bridge to Isle Royale Means for the Island and Its Wolves

A solid ice bridge over Lake Superior has formed between Isle Royale and the mainland, an increasingly rare link that could bring new life – quite literally – to an isolated and inbred Isle Royale National Park wolf population facing extirpation.

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Features

The fossil of an ancient soft-shelled turtle.

Bob Berg / Lake Superior Magazine

New Exhibit at the Great Lakes Aquarium

Last night was the official opening reception at the Great Lakes Aquarium in Duluth for a new exhibit – Fire, Ice and the Rise of Life. more »

Jun 13, 2013 Superior Notes

David Brislance chats with a local chickadee.

Paul Sundberg

A Bird in Hand

David Brislance's “bird whispering” began about 10 years ago, by accident, when black-capped chickadees began landing on his shoulder or hat, waiting for sunflower seeds. more »

Jul 3, 2013 Recreation

Jon Nelson

Stromatolites: Our Mysterious Ancient Reefs

Discovery of ancient stromatolites on Lake Superior's shore astounded the scientific world and reestablished the age of the oldest known fossils. more »

Apr 15, 1997 Natural World

Wolves from the Middle Pack are on the move at dawn. Wolves walk an average of 30 miles a day looking for food.

John Vucetich

Isle Royale's Wolves and Moose: The Bloody Balance

A 50-year study tracks the swinging pendulum that is the relationship between Isle Royale's wolves and moose. For 38 of those years, Rolf and Candy Peterson have worked at the greatest laboratory of predator vs. prey in the world. more »

Feb 1, 2008 Natural World (1 Comments)

Ice-fishing fox.

Bob Skogen

The Ice-Fishing Fox

So there we were, two grown men in a 5-by-7-foot aluminum-framed, fold-up ice house watching little holes in the ice with high expectations. We thought catching fish would be the highlight of our day. We were way off. more »

Apr 5, 2013 Superior Notes

John Shibley

Come Over, Come Over, Piping Plover

Biologists from Lake Superior State and Algoma University have been guiding a team of students conducting surveys and monitoring and protecting piping plover nests. The project aims to help the endangered bird’s survival. more »

Nov 16, 2012 Natural World

One Good Tern Deserves Another

While fewer than 300 pairs of nesting terns frequent Lake Superior, two decades of nesting protection and promotion on the western lakeshore have allowed these agile flyers to hold their own here. more »

Mar 5, 2001 Natural World

Jim Mathews, UW-Madison

Mixing River Science with High-Tech Play

Work done in a two-year research project on the St. Louis River Estuary may generate tools for phone and GPS devices that can be used to enhance hikes along the river. more »

Jul 21, 2011 Natural World

Flocking Together!

Still essentially just a wide spot in the road, Hawk Ridge Bird Observatory is possibly the only outdoor nature center in the country that conducts its programs in the middle of an active city street. more »

Jul 21, 2011 Current Issues

Lakehead Researchers Create a ‘Greener’ Cement

Two researchers at Lakehead University in Thunder Bay have discovered a cement additive that would benefit the environment and could potentially boost the strength of concrete by up to 40 percent. more »

Jul 21, 2011 Natural World

Travis Melin

The Giving Tree

The birch tree has been a source of fire, food, shelter and transportation to Lake Superior residents for generations. New research is showing its value in medicine and industry as well. more »

Apr 16, 2000 Natural World

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