Why one of Canada's smallest ducks returns to Sidney every autumn—and why it's one of Vancouver Island's most remarkable wildlife spectacles
Introduction
Every year, almost as if following a calendar only they can read (around October 15th) the first Buffleheads begin returning to Sidney, British Columbia.
For many people, their arrival marks the true beginning of autumn.
The summer tourists begin to disappear, the mornings become cooler, and suddenly the sheltered waters of Shoal Harbour and Roberts Bay are filled with one of North America's smallest and arguably most charismatic diving ducks.
I've spent countless hours photographing Buffleheads around Sidney, and despite their small size, they remain one of my favourite birds to photograph.
The males shimmer with brilliant white, deep black, and iridescent purple-green plumage that changes with every angle of the light. The females are quieter in appearance, but equally elegant, with soft grey plumage and a distinctive white cheek patch.
What makes this migration even more special is that Sidney has embraced the Bufflehead as part of its identity. They're featured on the Town's coat of arms, and for decades local naturalists have celebrated their remarkably consistent return each October.
Why Sidney?
Buffleheads breed across western and central Canada's boreal forests, nesting almost exclusively in abandoned Northern Flicker cavities near small lakes and wetlands.
As autumn arrives and inland waters begin freezing, they migrate to sheltered coastal waters where food remains available throughout winter.
Sidney offers almost everything they need.
The shallow waters of Shoal Harbour Migratory Bird Sanctuary, Roberts Bay, Sidney Channel, and the surrounding coastline provide abundant marine invertebrates, crustaceans, molluscs, and small fish, while the protected bays allow the ducks to rest between feeding dives.
For the Buffleheads, Sidney isn't simply another stop.
It's their winter home.
One of Nature's Most Reliable Migrations
One of my favourite parts of the Bufflehead story is just how consistent their arrival can be.
Long-term observations by local naturalists have found that the first significant arrivals typically occur around October 15, a date that has become known locally as All Buffleheads Day. Their remarkable punctuality has become part of Sidney's natural heritage and is one of the reasons the community celebrates the species each autumn.
Of course, weather and migration conditions can shift the exact timing slightly, but by late October the bays surrounding Sidney are usually alive with Buffleheads.
For me, seeing that first small flock every fall feels like welcoming old friends back home.
Where to Photograph Them
Shoal Harbour Migratory Bird Sanctuary
If there is one location that defines the Sidney Bufflehead experience, this is it.
The sanctuary protects important winter habitat for thousands of coastal waterbirds, with Roberts Bay providing especially productive feeding areas for Buffleheads.
The shallow mudflats and sheltered water allow the ducks to feed throughout the winter.
Morning light here can be spectacular.
Roberts Bay
Roberts Bay offers some of the best opportunities for photography.
At higher tides the ducks often gather relatively close to shore, while lower tides reveal extensive feeding areas farther from the beach.
Because the bay is broad and open, beautiful reflections often develop during calm mornings.
Many of my favourite Bufflehead photographs have been made here.
Sidney Waterfront
The waterfront surrounding Sidney Pier and the public walkways also provides excellent opportunities.
Although birds can be farther away than in Roberts Bay, the scenery adds another dimension.
Mount Baker, sailboats, Gulf Islands, and changing weather help place the ducks within the wider coastal landscape.
Tsehum Harbour and North Sidney
The quieter marinas and protected bays north of downtown often hold smaller groups of Buffleheads throughout winter.
These locations can be particularly productive on calm mornings when reflected light creates beautiful photographic conditions.
When to Visit
Although the first birds usually begin arriving in mid-October, the best photography generally extends from:
- Mid October
- November
- December
- January
- February
- March
- Early April
Throughout this period, numbers remain relatively consistent before birds begin migrating back toward their breeding grounds during April.
Winter also brings softer light, dramatic skies, and calmer conditions that complement the birds beautifully.
Why They're So Magical
There is something almost impossible to explain about Buffleheads.
They're tiny.
Fast.
Constantly diving.
Rarely sitting still.
Yet somehow they make the entire harbour feel alive.
The males flash brilliant white every time they turn.
The females quietly follow nearby.
Small groups continuously dive beneath the surface before popping back up somewhere completely unexpected.
Unlike many larger ducks that spend long periods resting, Buffleheads seem endlessly active.
Watching them is surprisingly calming.
What I Saw
Most mornings begin quietly.
Small groups spread across the harbour.
One bird dives.
A second follows.
Moments later they reappear several metres away.
Occasionally the entire group lifts into the air, flying low across the water with incredibly rapid wingbeats before settling somewhere else entirely.
Their movement feels almost playful.
As winter progresses, I often begin recognizing favourite sections of shoreline where the birds consistently return.
Although they move constantly, they also develop routines around feeding and resting.
Courtship Displays
By late winter, the atmosphere begins to change.
The males become noticeably more animated.
They throw their heads backward until the brilliant white patch nearly disappears from view before snapping forward again in an energetic display directed toward nearby females.
Sometimes several males compete for the attention of one female, creating surprisingly entertaining interactions across otherwise calm water.
These courtship displays offer some of my favourite photographic opportunities because they reveal behaviour that many casual observers never notice.
What I Felt
Photographing Buffleheads has become one of my personal traditions.
Every autumn, their arrival reminds me that another season has begun.
There is comfort in that consistency.
No matter how busy life becomes, I know these tiny ducks will once again appear across the harbour.
Some mornings I spend more time simply watching than photographing.
The harbour is quiet.
The water barely moves.
The birds continue diving exactly as they have every winter for generations.
It's one of Sidney's simplest wildlife experiences.
And one of its most beautiful.
What I Photographed
Although close portraits are always rewarding, I quickly learned that the best photographs often include the environment.
Some images show:
- A single drake floating beneath Mount Baker.
- A pair swimming through golden sunrise reflections.
- Small flocks flying low across calm water.
- Courtship displays in winter light.
- Birds disappearing beneath perfectly still reflections.
Environmental photographs help tell the larger story.
The Buffleheads aren't simply visiting Sidney.
They're part of it.
Camera Equipment I Use
Sony A1 II
The Sony A1 II has become my favourite camera for photographing Buffleheads.
Their unpredictable movement requires quick autofocus and high frame rates.
The camera's bird recognition helps maintain focus even as the ducks surface unexpectedly after diving.
The high-resolution files also allow gentle cropping without sacrificing image quality.
Sony FE 200–600mm
This is my primary Bufflehead lens.
Because the birds remain naturally wary and much of the shoreline should remain undisturbed, the extra reach is invaluable.
The zoom range also makes it easy to move between portraits and wider environmental compositions.
Camera Settings
Buffleheads move faster than most people expect.
I generally begin with:
- Shutter Speed: 1/2500–1/3200 sec
- Continuous Autofocus
- Bird Eye Detection
- Continuous High Burst
- Manual Exposure with Auto ISO
If photographing birds in flight, I often increase shutter speed even further.
Photography Tips
Arrive Early
Sunrise often provides calm water, softer light, and fewer people.
These quiet mornings consistently produce my favourite photographs.
Watch Before Photographing
Rather than immediately lifting the camera, spend several minutes watching.
You'll quickly notice feeding patterns, preferred directions of travel, and where the birds repeatedly surface after diving.
Don't Chase Them
Buffleheads naturally keep moving.
If you constantly reposition yourself, they'll simply continue moving away.
Instead, stay still.
Allow them to gradually work toward you.
Patience almost always produces better photographs.
Include the Reflections
Calm winter mornings often produce beautiful reflections.
Sometimes the reflection becomes just as important as the bird itself.
Photograph the Behaviour
Portraits are wonderful.
But diving.
Wing flapping.
Courtship.
Takeoffs.
Landings.
These behaviours tell a much richer story.
Beyond the Buffleheads
One of the joys of spending winter mornings around Sidney is that the Buffleheads are only part of the experience.
You may also photograph:
- Common Goldeneye
- Harlequin Ducks
- Red-breasted Mergansers
- Surf Scoters
- Horned Grebes
- Common Loons
- Great Blue Herons
- Bald Eagles
- Harbour Seals
Every outing offers something different.
Put the Camera Down
Every year I try to remind myself of one thing.
Don't spend the entire morning looking through a viewfinder.
Watch them.
Listen to the splash each time they dive.
Notice the incredible colours that appear across the drake's head as the light changes.
Watch the tiny flock disappear into the sunrise before returning a few seconds later.
The photographs will always matter to me.
But the experience of sharing another winter morning with Sidney's Buffleheads matters even more.
Conclusion
The annual Bufflehead migration is one of Sidney's quietest wildlife spectacles.
There are no crowds.
No dramatic fanfare.
Just thousands of tiny diving ducks returning to the same sheltered waters year after year.
They've become part of the town's identity, appearing on Sidney's coat of arms and returning with such remarkable consistency that the community celebrates their arrival each October.
For photographers, they're an endless source of inspiration.
Their colours change with every angle of light.
Their behaviour is constantly entertaining.
Their migration reminds us that even the smallest birds can create one of the most meaningful wildlife traditions on the British Columbia coast.
Every autumn, I look forward to seeing the first flock arrive.
And every spring, I quietly watch them leave, knowing they'll return again.
– Jared VanderMeer