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Environment

House Sparrows

House sparrows may now be the most abundant and widespread bird on Earth, occupying every continent except Antarctica.

Jan 12, 2015
Don Scallen

Beech Trees

Beech trees are being destroyed at heartbreaking speed by an introduced pathogen called beech bark disease.

Dec 10, 2014
Don Scallen

The Once and Future Great Lakes Country

History from the Ground Up

Nov 17, 2014
Don Scallen

Where the Wild Things Are

Where brook trout flourish, expect other exquisite wild things.

Nov 8, 2014
Don Scallen

Osprey and DDT

Look for Osprey near Island Lake, Orangeville.

Oct 11, 2014
Don Scallen

Poison

Io moth cats sport a bristling armament of stinging hairs.

Sep 12, 2014
Don Scallen

Great Egrets

Egrets were being slaughtered by the thousands in 19th century America.

Aug 15, 2014
Don Scallen

Milkweed and Monarchs

The monarchs’ table was set, but alas, they wouldn’t come to dinner.

Jul 25, 2014
Don Scallen

The Raven

Ravens are renowned for their ability to solve complex puzzles to obtain tasty tidbits of food.

Jun 25, 2014
Don Scallen

Imperilled Turtles

May/June is the time that turtles emerge from a long winter’s dormancy to bask in the sun. Unfortunately fewer and fewer of them appear every spring.

May 26, 2014
Don Scallen

Wood Frogs

Usually wood frogs choose ponds that hold water only temporarily – a roll of the dice that can lead to the death or salvation of their progeny.

Apr 22, 2014
Don Scallen

Cougars

Something strange is going on, and the phenomenon is not confined to the Headwaters.

Apr 3, 2014
Don Scallen