Category Archive: Creature Features

Jul 27

A “ruffe” road ahead for the Great Lakes

An aggressive little fish is threatening to disturb ecosystems throughout the Great Lakes. The Eurasian Ruffe is recognizable by its long spiny dorsal fin and frowning mouth. It’s native to Northern Europe and Asia, and made its first appearance in Lake Superior in the 1980s, probably after catching a ride on a freighter from Europe. …

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Permanent link to this article: http://www.currentcast.org/creature-features/a-ruffe-road-ahead-for-the-great-lakes/

Jun 28

Backtracking Birds

Why shorelines are stopover sites:   Each spring and fall, tens of millions of birds migrate through the Great Lakes region. Jeffrey Buler of the University of Delaware says many species prefer to travel at night. In a recent study, he found that if birds were still out over the Great Lakes at sunrise, they …

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Permanent link to this article: http://www.currentcast.org/creature-features/backtracking-birds/

Jun 22

Lake trout stocking

A fishy tale: In the 1800s, lake trout were abundant in Lake Superior. Then, in the early to mid 1900s… Hansen: “… populations began to decline rapidly.” That’s biologist Michael Hansen. He says overfishing and predatory invaders known as sea lampreys were to blame. By the time an effective way to control lampreys was discovered, …

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Permanent link to this article: http://www.currentcast.org/water-and-energy/lake-trout-stocking/

Jun 20

A bird lover’s paradise

A bird lover’s paradise: The western basin of Lake Erie is for the birds! Over 250 species are recorded in the basin each year. Mark Shieldcastle of the Black Swamp Bird Observatory says the area has… Shieldcastle: “…Probably one of the largest concentrations of migrating songbirds found anywhere on the continent.” And at certain times …

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Permanent link to this article: http://www.currentcast.org/creature-features/a-bird-lovers-paradise/

Jun 18

For Pet’s Sake – Avoid the Algae

Not all algae is harmful, but it’s hard to know which is which. Listen up: Too many nutrients in lakes and ponds can cause algae to grow out of control, producing harmful algal blooms. Some unleash toxins that threaten our health…and our animals’ too. When ingested, touched, or even inhaled, they can make your pet …

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Permanent link to this article: http://www.currentcast.org/toxic-contamination/for-pets-sake-avoid-the-algae/

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