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Don Scallen

Don Scallen is the author of Nature Where We Live: Activities to Engage Your Inner Scientist from Pond Dipping to Animal Tracking and Spotted Salamanders and Their World, and the monthly blog "Notes from the Wild."

Borrowed Credit

A recent documentary, “Living on Borrowed Credit”, takes a discerning look at the future of the Credit River and its brook trout populations. 

Mar 4, 2024

Five-lined Skinks

Ontario’s only lizard species happens to be one that utilises a clever survival tactic — dropping its tail when scared.

Jan 25, 2024

Ontario Rattlesnakes and Their Mimics

Rattlesnakes in Ontario are largely harmless, save for the Massasauga rattlesnake, the only venomous one in the province.

Jan 8, 2024

Three Species That Ontario Has Lost

As habitats shrink, these three animals have become ‘extirpated herptiles’ — reptiles and amphibians that are now regionally extinct in Ontario.

Dec 6, 2023

Walking Sticks

Look closely in the forests of Headwaters and you’ll find walking sticks, one of nature’s cleverly disguised doppelgängers.

Nov 6, 2023

Caterpillars Darwin Would Love

With UV flashlight in hand, strolling in the night-shrouded escarpment woods reveals fantastic caterpillars, some of which glow under a black light.

Oct 12, 2023

If the Greenbelt Gives Way to Sprawl, Seven Headwaters Species Will Suffer

You may not know some of these magnificent species but they are our precious, fragile neighbours that cannot survive in a subdivision.

Sep 8, 2023

A Monarch Magnet

The sweet nectar of liatris ligulistylis is renowned for its ability to lure monarch butterflies to gardens.

Sep 5, 2023

Midsummer Pollinator Plants

Summer holidays might be halfway over, but the bees are still having a field day thanks to these flowering pollinator plants

Aug 8, 2023

Carnivorous Plants

Plants can be killers too, and in Headwaters we have at least three varieties of carnivorous plants that consume small animals.

Jul 4, 2023

To Every Thing There Is A Season

Inspired by the natural rhythms of life, a host of gardeners has created a refuge of calm and beauty for the dying and the grieving – and those who care for them – at Bethell Hospice.

Jun 16, 2023

Wonderful Warblers

Naturalist Don Scallen explores the many species of Warblers found in Ontario; though if you want to see them, you’ll have to leave suburbia.

Jun 15, 2023

Streamside Salamanders

Long-tailed and tiny-legged, these slow moving salamanders face formidable challenges as our urban footprint grows.

May 3, 2023

Screech Owls

Listen closely for their distinctive vocalizing and you just might manage to catch a peek of these pint-sized predators.

Apr 4, 2023

Home, Sweet Home

The amazing architectural feats (and sometimes cheeky parenting techniques) of nesting birds

Mar 20, 2023

Our Ever Heavier Urban Footprint

As development continues unabated, our growing population and urban footprint will inevitably diminish biodiversity.

Feb 27, 2023

Not All Invaders Are Bad

During a trip south, naturalist Don Scallen gets a closer look at introduced lizards in Florida and asks questions about our own invasive species in Ontario.

Feb 7, 2023

Nesting Instincts

Most of us have the good fortune to raise our families in safe, comfortable houses. Birds want nothing less. 

Jan 6, 2023