Skip to content

Don Scallen

Don Scallen enjoys sharing his love of nature through his writing and presentations. Check out his blog "Notes from the Wild".

Pumpkinseed Sunfish

Jul 5, 2024

Underwater video taken at local conservation areas capture the male Pumpkinseed sunfish in action

Roadside Attractions

Jun 14, 2024

Each year our roadside verges erupt in a bloom of wildflowers, only to be leveled by municipal mowers. Is there a better way to manage these habitats?

A Marooned Grebe

Jun 6, 2024

Without a proper ‘runway’, horned grebes are unable to achieve lift-off, effectively leaving them stranded if they happen to land in small watering holes.

Calvin, the Navigator

May 7, 2024

This well-known salamander’s unexplained navigational super-power rivals the precision of our best GPS systems.

In Praise of Holes

Apr 8, 2024

In nature, hole digging is replete with meaning, helping countless animals survive.

A Magnificent Obsession

Mar 16, 2024

Collecting and nurturing remarkable trees has been a 30-year passion for Caledon’s Gary Haslett.

It’s Baby Season at the Wildlife Centre

Mar 16, 2024

The spring rush of young, orphaned or injured animals marks the start of another busy year at Procyon Wildlife and Rehabilitation Centre.

Borrowed Credit

Mar 4, 2024

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

Five-lined Skinks

Jan 25, 2024

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

Ontario Rattlesnakes and Their Mimics

Jan 8, 2024

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

Three Species That Ontario Has Lost

Dec 6, 2023

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

Walking Sticks

Nov 6, 2023

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

Caterpillars Darwin Would Love

Oct 12, 2023

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

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

Sep 8, 2023

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

A Monarch Magnet

Sep 5, 2023

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

Midsummer Pollinator Plants

Aug 8, 2023

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

Carnivorous Plants

Jul 4, 2023

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

To Every Thing There Is A Season

Jun 16, 2023

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.