red-winged blackbird

Hooded Merganser Competition for a Nest Box /  by Todd Henson

An early spring female hooded merganser swimming in the wetlands

Perhaps competition is a strong word. Perhaps there were simply two candidates inspecting the property before they decided whether to move in. What am I talking about? During a visit to a wetlands park we happened to see two female hooded mergansers around the same nest box in early spring.

Arriving at the nest box

The female hooded merganser perched on the nest box

Early on one of the mergansers flew up and perched atop the box, perhaps thinking to stake her claim. But then the second merganser flew over and was bold enough to stick her head into the opening to inspect the nesting area before flying off again.

A second female hooded merganser flies up to the nest box while the other is perched on top

The second merganser peeked into the nest box while the other watched from above

Later, the original merganser sat down atop the box and just rested for a while. It seemed she might be staking her claim, but eventually she also flew off.

The original female hooded merganser rests atop the nest box.

Finally the original female hooded merganser left the nest box and flew away.

In the end I’ve no clue which of two, if either, will build a nest inside the box. But it would be nice to return to check on any progress.

In a previous year we happened to be there at the time the hooded merganser chicks fledged from the nest. That was a fun sight.

And on another day I was fortunate to watch the slightly older hooded merganser chicks out with their mother.

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Red-winged Blackbird - Late March, 2024 /  by Todd Henson

Portrait of a male red-winged blackbird in late March of 2024

In late March my father and I returned to a local wetlands park we’d not visited in some time. While there I photographed a nicely posed red-winged blackbird.

This is a good example of how male red-winged blackbirds are able to hide the majority of their red epaulets when they want to, covering them with black feathers. They might display more red when trying to impress a female blackbird, or when they want to show dominance over other nearby males, perhaps as a way of marking their territory and willingness to protect it. 

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A Return to Great Marsh Looking For Tundra Swans /  by Todd Henson

In early February of 2024 my father and I returned to Mason Neck hoping to see the tundra swans that winter over in this area. We’ve been fortunate to see them in previous years, and were able to see them again this year, though at quite a distance.

I’d checked the tide charts before we set out and found high tide coincided with sunrise so we thought there was a good chance of viewing the swans. I thought it might be nice viewing them from the opposite shore we did last time, thinking this would position the sun in a more flattering location. Unfortunately, the day was completely overcast, so rather dark, and the tundra swans chose to group on the far side of the marsh, much closer to the other observation platform. This put them at quite a distance from us.

The Wildlife

Distant tundra swans at Great Marsh

Even at a distance, though, it was great to see and hear the tundra swans. They have a very distinctive sound so we always know when we’ve found them. We were fortunate to watch as two more swans flew in and landed with the rest.

Distant observation platform and tundra swans

Two more tundra swans fly in

There was quite a range of birdlife, and wildlife, beyond the tundra swans. In one scene I attempted to capture tundra swans, a red-winged blackbird, mallard ducks and Canada geese in a single image. I wasn’t able to do this with just one photo, though, because of the shallow depth of field. The low light just wouldn’t allow me a reasonable balance of ISO, aperture and shutter speed, so I decided to try focus stacking by focusing on the near birds for one photo and the far birds for another. But of course the birds were moving, so using the software to auto focus stack didn’t work and I had to manually merge the photos. If you look closely this resulted in a strange bit of out of focus brown grass in the center of the photo between the blackbird and the swans, but it did bring each bird species mostly in focus so you could see them all.

From top to bottom: tundra swans, a red-winged blackbird, a pair of mallard ducks and a pair of Canada geese.

At one point a beaver swam across the water towards its lodge. And later a muskrat swam right towards us. These were the only mammals we saw this time around.

A beaver on the left and a muskrat on the right swimming through the water. The beaver is actually much larger but was at a much greater distance so looks smaller in the photo.

There is a lot of duck hunting in this area, so even though the ducks are safe in this location they still tend to either fly off or swim far away when we arrive at the observation platform. That meant all photos were at a distance, but we still were able to view a range of ducks. The ones in these photos are, I believe, mostly American black ducks. There were the mallards in the photo above. And I saw a pair of hooded merganser and several other species at a greater distance.

A pair of American black ducks. They were sort of swimming together with one following the other, but they didn’t get close enough for a single photo of them both.

Ducks at Great Marsh. I believe most, if not all of these, are American black ducks, though I may be mistaken.

The last interesting scene to show you was a noisy flock of black birds that started out moving through the trees and later moved around the light brown grass in the water. I believe most of these birds were common grackles but I also identified some red-winged blackbirds. It wouldn’t surprise me if there were other species in the mix, such as European starlings, but I wasn’t able to positively identify any more.

A group of black birds flocking at Great Marsh. Most are likely common grackles but I was also able to identify red-winged blackbirds. There might be other species mixed in, as well.

The Challenges

There were a number of challenges to this photo session. With the low light levels and the moving birds I boosted my camera’s light sensitivity way up (to 4000 ISO) so I could get a fast enough shutter speed, but this meant there would be a fair bit of digital noise in the files. Because of the distance there was a slight bit of haze to deal with. And because I don’t photograph with the long lens quite as often I was likely out of practice. All this resulted in photos that aren’t perfectly sharp, though I did the best I could to deal with these issues in post-production in the computer. They work just fine for a blog post but some might not work as well if I were to try to print them in a larger format. I tend to prefer creating imperfect photos than not creating any at all, especially when documenting wildlife. 😊

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