For the Birds: Nesting season has its ups and downs

Photo by Chris Bosak
A northern flicker hollows out a hole in a snag for a potential nest site, New England, April 2026.

While the majority of spring migrants are still working their way north, many of New England’s year-round birds are already getting down to the business of nesting.

I’m sure I’ll see plenty of nesting activity as the spring progresses, but last week I witnessed two interesting scenes related to nesting. 

The first was in my backyard. As I approached one of my birdfeeders to throw in a handful of safflower seed, I noticed a northern flicker dart off into the woods. Its white rump patch gave away its identification. I was fairly certain the flicker had been clinging to a topped-off dead tree a dozen or so yards away from the feeder, and I made a note to approach the feeder more carefully next time.

Sure enough, I returned half an hour later and found a flicker on the same snag. I kept my distance this time and watched as the flicker worked on hollowing out a hole in the snag. I observed for a few minutes and went back into the house.

Over the next several days, I watched a male and female flicker take turns hollowing out the hole. It was slow-going, but the flickers kept at it dutifully. I’ll continue to watch the progress, and, hopefully, the flickers will successfully build a nest there and raise young. That would make for an interesting spring and summer in my yard.

Watching how slow the progress was and how much work the flickers put into making the cavity, I have new respect for woodpeckers and how difficult the job of securing the future of the species is. I also see why so many birds and animals utilize old woodpecker holes for their own nesting purposes. The hard construction work has already been done.

I read that flickers are uncommon among woodpeckers in that they often reuse cavities from the previous year. I don’t blame them. I can’t imagine doing that every year.

From that hopeful scene to one a bit darker: I was sitting in my office when I noticed movement through the window. The motion stopped in a tangle of vines where the parking lot and woods meet. I lifted my binoculars (yes, I have a pair at the office) and spotted a robin sitting in a nest. I was excited and concerned at the same time. While the nest itself was pretty well hidden, it was right at the edge of the woods and fairly obvious with the bird in the nest.

I watched a male and female come and go throughout the day and even shared the news with some co-workers. Even while I thought about how neat it would be to have a flicker nesting at my home and nesting robins visible through my window at work, I remained cautiously optimistic about the robins.

Later in the afternoon, I saw a blur flash past my window. By this time, a car in the lot had blocked part of my view of the vines where the nest had been built. I had a feeling what the blur was, but hoped I was wrong.

I stood, and my fears were realized. A red-shouldered hawk was standing on the nest tearing it apart. The robins took a few swipes at the hawk, but the larger bird of prey hardly seemed to notice. 

The robins, of course, abandoned the nest and haven’t returned. Thankfully, it’s still very early in the season, and the robins can try again–hopefully, in a better place next time. 

I was confused about the encounter. The obvious conclusion is that the hawk raided the nest to eat the eggs. However, I don’t think the robins had eggs in the nest yet. I had just noticed the robins for the first time that day. Surely, since it was in direct sight of my office window, I would have noticed the robins building the nest prior to that day.

Then why would the hawk go after the nest like that? Maybe it attacked the nest in the hopes that there would be eggs or baby birds in it and came up empty. Or perhaps it was a territorial message, as red-shouldered hawks do nest on the property.

Regardless of the reason, I wish the robins luck with their next attempt. I also wish the hawk luck on its next quest for food. And, of course, I wish the flickers luck in their nesting season.

Red-shouldered hawk visits work

Photo by Chris Bosak – A red-shouldered hawk perches on a branch in New England, February 2025.

I looked out my window at work and saw this bird staring at me. Thankful for nature every day.

Red-shouldered hawks are slightly smaller than red-tailed hawks, which are also common in New England.

Photo by Chris Bosak – A red-shouldered hawk perches on a branch in New England, February 2025.

For the Birds: Red-shouldered hawk perched on car in parking lot

Photo by Chris Bosak – Red-shouldered hawk on car in parking lot in New England, May 2024.

Some birds have adapted to humans and what we have done to their habitat better than others. 

Pigeons, house sparrows and mallards have obviously fared well and thrive in urban environments. Other birds, including many songbirds, have not. Why else would the populations of so many songbirds have decreased so dramatically over the last several decades?

An experience at work the other day got me thinking about how birds adapt to human interference. I was working in my office when I heard a co-worker calling my name in whispered urgency. I rushed out to see what the commotion was about and saw a red-shouldered hawk perched on top of an Infinity SUV right on the other side of the window. 

The impressive bird of prey was a mere 12 feet away from the small crowd that had now gathered inside the building — urgent whispers have a way of drawing a crowd. Everyone broke out their phones and took pictures of the specimen. Red-shouldered hawks nest on the property at work, so seeing the bird was not unusual, but seeing it perched on a car was certainly different.

Continue reading

For the Birds: Surprise sighting in unlikely place

Photo by Chris Bosak – A young red-shouldered hawk looks out from its nest in New England, June 2023.

A few weeks ago, I wrote about a short walk that I often take at work. It is on my employer’s property and, despite being a small piece of land that takes only five minutes to walk, it has a mix of habitat that includes a meadow, stream, pond and woods.

A few days after I had written that column, I took a walk there and discovered something new. I had noticed on previous walks a Y in a large tree and thought maybe there were some sticks or leaves in the crotch. It was too small for a squirrel’s nest, and it didn’t seem significant enough to be any other type of nest, so I kept on walking. I figured it was just the collection of a few sticks and leaves that had fallen throughout the year.

One day, however, I noticed movement in the area. Upon inspection, it turned out to be the nest of a red-shouldered hawk family. Two young birds were eating a squirrel, chipmunk or some other small mammal. No adults were present.

The next day, I took another walk, and an adult bird was tearing apart a meal. I didn’t notice the young birds right away, but when the adult sat upright after picking off a morsel, I saw the young ones to either side behind the adult.

Continue reading

One more of the red-shouldered hawk

Photo by Chris Bosak A red-shouldered hawk perches in the wood in Brookfield, CT, March 2019.

Here’s our old friend, the red-shouldered hawk. This time he’s looking right at us.

Red-shouldered hawk — again

Photo by Chris Bosak A red-shouldered hawk perches in the wood in Brookfield, CT, March 2019.

As long as this red-shouldered hawk is going to take obvious perches when I drive by a certain spot, I’m going to take photos of it. Red-shouldered hawk, take 20.

More shots of the red-shouldered hawk

Photo by Chris Bosak A red-shouldered hawk perches on the top of an evergreen, Brookfield, Connecticut, January 2019.

Here are a few more shots of the red-shouldered hawk I photographed last weekend in Brookfield, Connecticut. Here’s the original story, in case you missed it.

Photo by Chris Bosak
A red-shouldered hawk perches on the top of an evergreen, Brookfield, Connecticut, January 2019.
Photo by Chris Bosak A red-shouldered hawk perches on the top of an evergreen, Brookfield, Connecticut, January 2019.

Familiar tree draws a different type of hawk

Photo by Chris Bosak
A red-shouldered hawk perched on the top of an evergreen, Brookfield, Connecticut, January 2019.

About three years ago I got a photo of a red-tailed hawk in an evergreen tree across the road from Brookfield High School in SW Connecticut. Yesterday, I was able to photograph another hawk in the same tree — this one a red-shouldered hawk.

There is often confusion between the two species as they are both large birds of the genus buteo. Throw in the broad-winged hawk and there’s even more confusion with three common buteos to be found in New England. (There are others, too, but not as commonly seen.)

The red-tailed hawk is the largest and broad-winged the smallest, but size is of little help in the field — unless, of course, individuals of all three species are perched next to each other, which never happens. I find the easiest way to distinguish the red-shouldered hawk is with its reddish or rusty chest and belly. Young birds, however, have tan or brown chests and bellies, similar to the other buteos in question.

For comparison’s sake, here’s a shot of the red-tailed hawk I photographed in the same tree in 2016.

Photo by Chris Bosak A Red-tailed Hawk perches in an evergreen in Brookfield, Conn., winter 2016.
Photo by Chris Bosak A Red-tailed Hawk perches in an evergreen in Brookfield, Conn., winter 2016.

Red-shouldered hawk in tree

Photo by Chris Bosak
A red-shouldered hawk sits in a tree in Brookfield, Connecticut, fall 2018.

My son Will and I came across this red-shouldered hawk while we were driving through a neighborhood in Brookfield, Connecticut, the other day. It’s times like this that I usually don’t have my camera with me, but this time I happened to be prepared.

The red-shouldered hawk is one of New England’s most common hawks, along with red-tailed hawk, broad-winged hawk, Cooper’s hawk, and sharp-shinned hawk. There are other hawks in the region, of course, but these are the ones seen most often. I typically see red-tailed hawks most often, but I’ve been seeing more and more red-shouldered hawks of late.

Photo by Chris Bosak
A red-shouldered hawk sits in a tree in Brookfield, Connecticut, fall 2018.

Bird of prey indeed

Photo by Chris Bosak A red-shouldered hawk perches on a wire in Brookfield, Connecticut, Jan. 2018.

Photo by Chris Bosak
A red-shouldered hawk perches on a wire in Brookfield, Connecticut, Jan. 2018.

Sorry for the delay on this post … I ended the last post with this:

“I have a feeling this bird is digesting a recently eaten meal. Anybody know what makes me think that?”

Take a look at the bill and talons of the bird. Some small bird or animal found out why hawks are “birds of prey.”

Photo by Chris Bosak
A red-shouldered hawk perches on a wire in Brookfield, Connecticut, Jan. 2018.

Photo by Chris Bosak
A red-shouldered hawk perches on a wire in Brookfield, Connecticut, Jan. 2018.