For the Birds: Mergansers are back

Photo by Chris Bosak A common merganser swims in a pond in Danbury, Conn., March 2019.

I haven’t written about ducks in a long time. I used to write about them often because waterfowl are arguably my favorite type of bird to watch.

My budding interest in birdwatching became an obsession when I discovered a huge flock of common mergansers on Powder Mill Pond. The number of birds in the flock and the birds’ size and beauty fascinated me. I can’t believe that happened back in the 1990s. Time sure flies.

I’ve been a huge fan of ducks, especially mergansers, ever since. I have canoed hundreds of miles, spent hours behind blinds in swampy areas, and stood on many shorelines with my eye pressed against a spotting scope in search of ducks.

But for whatever reason, I just haven’t written about ducks lately. I guess none of my recent waterfowl experiences have captivated me enough to do so.

That is until the other day, when I saw a few common mergansers in a very unlikely place. Common mergansers typically favor large freshwater bodies, such as lakes, large ponds or wide rivers. Every so often, however, they may be spotted on much smaller bodies of water.

Not only was my recent sighting on a very small body of water, not even big enough to be considered a pond, but it was also in the shadow of a bustling shopping mall.

Danbury Fair is a mall in western Connecticut. It has a large, inaccessible marshy area behind it and a few very small ponds, if you can call them that, on the sides and in the front. It is a highly developed area, so a variety of wildlife does not thrive there.

It is, however, a fairly reliable place to spot birds such as great blue herons, belted kingfishers, mute swans, Canada geese, American and fish crows, and, of course, mallards. During spring and fall migration times some surprises can show up, which is what keeps me coming back to the spot, even for just a quick loop.

In the few years I have been drive-by birding at the mall, I have seen the aforementioned common species, as well as northern pintail, pied-billed grebes and hooded mergansers.

I associate common mergansers with more wild areas, so I was surprised to see two males and one female swimming in one of these tiny ponds with a steady stream of cars driving by on both sides. Two male hooded mergansers and a few mallards shared the pond.

I found a safe place to pull over in my car and checked out the scene through an open passenger’s side window. I grabbed a few quick photos but the ducks slowly swam away in the opposite direction and did not seem comfortable with the stopped car by the pond.

Common mergansers, I’ve discovered over the years, are quite wary and not at all tolerant of any perceived threat. I didn’t want to further stress them during migration so I quickly pulled out and joined the flow of moving cars.

It had been several years since I had seen common mergansers so close. I find them to be the most wary of New England’s three merganser varieties.

Breaking down the merganser varieties requires its own column because they are so different in many ways, but they also share some similarities. I guess you know what next week’s column will be about.

It sure is nice to be writing about ducks again.

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