2025 Monhegan Fall Migration Weekend Tour Report

An American Bittern sitting in the open in a tree, just a handful of yards away could have easily been the highlight of any birding weekend. But, this stellar start was just the tip of the iceberg of the weekend’s birding excitement.

It has been quite a few years since we had a weekend like this. Lots of birds, “mega” rarities, warm weather, and tons of excitement. It was truly a special weekend. We were honored to have been there for it.

The tour began on Friday, with only one participant joining me on the Hardy Boat. The island greeted us with a Lesser Black-backed Gull, which we scoped from the wharf, and several warblers at the usual spot uphill. But after getting the inside scoop from birders already on the island, we made a bee-line for the Ice Pond where an American Bittern was sitting all morning. Remarkably, however, it was sitting in a bush (see above)!

How’s that for starting a tour off right? We also immediately encountered Dickcissel and Blue-gray Gnatcatcher, and there were plenty of Yellow-rumped Warblers and Palm Warblers here and there.

After lunch, with our group now complete, the surprisingly good birding continued. Despite such a warm afternoon and few birds on the radar overnight on mostly a southwest wind aloft, we enjoyed an excellent introduction to Monhegan birding in the fall:  2 Clay-colored Sparrows with 2 immature White-crowned Sparrows, a Dickcissel, and several White-throated Sparrows in one field of view; a dozing Common Nighthawk trying to stay camouflaged on a wood pile, and another visit to the still-confiding American Bittern at the Ice Pond for those who arrived later. It was a solid afternoon overall, with bird activity continuing right up until dinnertime.

Cape May Warblers in a wide variety of plumages is always one of the highlights
of any fall weekend on Monhegan

.Unfortunately, our best bird of the day was almost the one that got away. Almost! While viewing an Indigo Bunting in the Community Garden, a second bunting snuck into view, skulking. It briefly popped out, and I yelled “get photos” and then it popped back into the weeds and was not to be seen again.

“Did I see green?” I exclaimed, but it was so fleeting, and the light was so harsh, and the bird was so, so pale, I couldn’t be sure. I looked at photos on the back of cameras in the sun, and we had a good discussion on why this could have been a Painted Bunting. Unfortunately, I have little experience with first fall female (presumably) Painted Buntings and had no idea they could be this unbelievably drab. So I talked myself out of it.

Overnight, I received photos from Bill Thompson, who, an hour or two after we saw the bunting, also briefly saw and photographed it. “Is this a Painted Bunting?” he asked.

Yup, that really does have green on it, and on more than one side – in other words, not a reflection. Darn it. It counts for us – we all saw it – but in hindsight, we should have gotten the word out about a “possible/probable” Painted Bunting and had more eyes looking. Luckily, Bill was in the right place at the right time once again! But I felt like I had blown this one. I was too quick to dismiss it and so I decided I would have to make up for it over the rest of the weekend. Maybe the dry cold front that passed through on Friday evening and shifted the winds would help.

A very strong flight Friday night into Saturday morning on a diminishing northwesterly wind was idea for bringing birds to Monhegan Island come sunrise. And at first light, it was clear it was on!

The Morning Flight featured tons of Yellow-rumped Warblers with the occasional Palm and Blackpoll Warbler. Between the morning flight and our pre-breakfast stroll, we had a lot of birds: a couple of waves of Dark-eyed Juncos, bunches of Red-breasted Nuthatches, more Golden-crowned Kinglets and Purple Finches, insane views of Peregrine Falcons, 2 Dickcissels, 4 Baltimore Orioles, and lots of great views of lots of common species.

After breakfast, it remained fantastic. Just birds everywhere, and not surprisingly, some notable species began to be turned up.  Our first “chase” was a Yellow-throated Warbler, our group arriving just in time before it took off.

Luckily, Dan Gardoqui and I stumbled upon it again while foraging for lunch, and I was able to round up several of the group members for improved views and photographs.

The American Bittern was now in the marsh, there were now three Dickcissels, 8 Baltimore Orioles, and a second, but definitively identified Indigo Bunting. No green one, unfortunately.

Not surprisingly on such a nice day, the afternoon was slower, as birds had departed the island early, or had now sought refuge in the shadows, especially with the continuing activity of Peregrines, Merlins, and Sharp-shinned Hawks. So, we checked some nooks and crannies, turning up a Nelson’s Sparrow at Lobster Cove and enjoying gliding Peregrine Falcons passing right in front of us from Burnt Head. We also took the time to enjoy butterflies, plants, and all other walks of life.

It was a delightful afternoon, but we returned to town to find we had missed out on a Western Kingbird. Luckily, a few of us caught up with it at dusk when it was refound near the Mooring Chain.

(phone-binned photo under low light)

So, it was a great day, and given the winds and weather, we expected it to be such. Then, with little to no movement overnight (at least visible on the radar), on a light south to southwest wind, we hoped for some birds to stick around from Saturday and perhaps be augmented by a rarity or two. At the very least, I wanted to show the Yellow-throated Warbler and Western Kingbird to the rest of the group, especially with a big turnover in participants for the second half of the weekend.

What we didn’t expect was to run out of superlatives before breakfast. We certainly did not expect it after viewing the Morning Flight, which consisted of exactly one American Pipit (and the big wandering flock of Cedar Waxwings, of course).

Once again, a bird was identified from photo review (what did we do before Instant Replay?!) and Bill Thompson and Jess Bishop had apparently discovered a Mega rare Bell’s Vireo on Saturday with only 4 accepted previous records for Maine. With such a slow morning flight, I decided to mix things up from my usual routine, head clockwise through my usual dawn loop, and give it a try to find the Bell’s. We stopped near where it was seen on Saturday, and chatted about the rarity, the identification, etc. “Holy shit, there it is!” I tried not to exclaim too loudly as the bird popped out right in front of us.

We observed it for about 10-15 minutes as it popped in and out of a brushy edge, focusing on feeding in young cherry trees with fall webworm clusters. Birders began to arrive from all directions, as the vireo kept coming in and out of view before flying right over our heads and disappearing deep into a dense thicket.

I’ll steal Bill Thompson‘s (with permission of course) Bell’s Vireo
from this morning since he was standing next to us.

It was getting too crowded for our tastes, so we moved on and let others have the edge to monitor. We enjoyed Cedar Waxwings, Northern Flickers, and then took a moment to pause at our usual starting spot, at the spruces behind the Yew.

It was slow, and quiet, and so I was making sure we looked at everything, like the one solo warbler flying towards us from across the sky over the Trailing Yew. It then landed a short distance away, and I brought my binoculars up to it, assuming we had a close Yellow-rumped Warbler to talk about.

<expletives deleted>

A Black-throated Gray Warbler, with only 5 previous records from Maine, was there. Right there. We had some great looks and photo ops, called over a friend, and then watched it the herd of birders arrive and head out to follow it. What a lucky find! We were ecstatic. And we still hadn’t had breakfast! (See photos from tomorrow),

Wondering if the day could get any better – and pretty content if it did not – we reconvened after breakfast and headed in the opposite direction from the searching masses, as I am wont to do.

It worked again: we found one Lark Sparrow, and then another. How many Clay-colored Sparrows – 4? 8? More? An Orange-crowned Warbler at the Ice Pond, a fly-over Red-bellied Woodpecker, a Pine Warbler, a Yellow-bellied Sapsucker on every tree. So much for it being a slow day.

Another warm afternoon sent us into the woods for shade, immersing ourselves in a cacophony of Red-breasted Nuthatches, sprinkled with Golden-crowned Kinglets, and the occasional Red-eyed Vireo or other migrant. We took in the Fringed Gentian, the scenery, and finished strong with the 2 Lark Sparrows and 4 Clay-colored Sparrows together.

Today was a good day.

Monday, the fourth and final day of the tour began with excited anticipation with another strong flight overnight on a diminishing NW to W wind. But today, it was just too nice, and a lot of last night’s birds passed overhead resulting in just a light Morning Flight come sunrise. But there was a turnover of birds, and our morning walk added several things to our list including the Eastern Kingbird we finally caught up with, and another Orange-crowned Warbler. The highlight, however, of our pre-breakfast jaunt was a juvenile Sharp-shinned Hawk that flew to a spruce, plucked a cone off of an outer branch, and then proceeded to play with it! It would move it from its bill to its talons, and then it dropped it, chasing it down the tree. It then flew back up and grabbed another! What a remarkable insight into how a kid Sharpie gets better at hunting on its own.

After breakfast, the good Merlin show of the day continued, and we took time for a short gull identification workshop. Our first Ring-billed Gull out here was good to practice on, and we conveniently had three Lesser Black-backed Gulls: an adult and 2 first-cycle birds. But mostly, we worked through the difference between each age class of the common Herring and Great Black-backed Gulls.

We finally picked up a Northern Waterthrush- our 20th species of warbler on the weekend! But otherwise, it was pretty slow.

It was slow in the afternoon, too, but the Black-throated Gray Warbler had been refound just before we reconvened after lunch, and eventually we were all treated to much, much better views and photo ops than the morning before.

We then twitched a rare Common Buckeye butterfly and Lady’s Tresses orchids.

 Our last new species of the trip was one of the last birds we observed together: a Yellow-billed Cuckoo eating American Dagger Moth and/or Hickory Tussock Moth caterpillars. Watching it whack the caterpillar on a twig to beat off its irritating hairs, we had another moment of insight into a bird’s world.

With the tour now complete, Jeannete and I enjoyed a delicious sunset and delightful food with friends and spotted an American Woodcock on our walk back.

And finished with another meal of Monhegan indulgence.

As usual, Jeannette and I then spent our Tuesday off together on the island. After a light morning flight, but another turnover of birds, we decided to spend most of the morning in the woods, ostensibly looking for a previously reported Black-backed Woodpecker. But mostly, we wanted to take a hike along the island’s less-visited north end. We added Winter Wren and an Ovenbird to our weekend list, enjoyed the silly amount of Red-breasted Nuthatches, and encountered several pockets of White-throated Sparrows and Dark-eyed Juncos. Later, after lunch, we ran into a Black-billed Cuckoo, and a Spotted Sandpiper at the dock turned out to be our 100th and final bird of a truly exceptional weekend on Monhegan. We already cannot wait to return in May!

Species seen without the tour group during the tour:

*Denotes ferry only

9/269/279/289/29
Canada Goose00140
Blue-winged Teal1000
Mallard15202020
American Black Duck1110
Common Eiderxxxx
White-winged Scoter1*000
Ring-necked Pheasantxxxx
Mourning Dove1215126
YELLOW-BILLED CUCKOO0001
Common Nighthawk1000
Semipalmated Plover0110
Solitary Sandpiper1000
Greater Yellowlegs0101
Black Guillemotx230
Laughing Gull 4*000
Ring-billed Gull0001
Herring Gullxxxx
LESSER BLACK-BACKED GULL0013
Great Black-backed Gullxxxx
Great Cormorant1121
Double-crested Cormorantxxxx
AMERICAN BITTERN1100
Osprey1310
Northern Harrier0102
Sharp-shinned Hawk3126
Belted Kingfisher1011
Red-bellied Woodpecker0010
Yellow-bellied Sapsucker8201520
Downy Woodpecker0111
Northern Flicker61068
American Kestrel0010
Merlin4865
Peregrine Falcon62037
WESTERN KINGBIRD0100
Eastern Kingbird0001
Eastern Wood-Pewee6811
Least Flycatcher3200
Eastern Phoebe1321
BELL’S VIREO0010
Blue-headed Vireo2430
Red-eyed Vireo12121212
Blue Jay8833
American Crow4266
Common Raven0221
Black-capped Chickadeexxxx
Ruby-crowned Kinglet1322
Golden-crowned Kinglet020106
Cedar Waxwing80808080
Red-breasted Nuthatch10605040
Brown Creeper0201
BLUE-GRAY GNATCATCHER1001
Carolina Wren8686
Gray Catbirdxxx10
European Starling14141413
Swainson’s Thrush0200
American Robin0410
American Pipit1622
Purple Finch01086
Pine Siskin1212
American Goldfinch81066
LARK SPARROW0021
Chipping Sparrow22102
CLAY-COLORED SPARROW3361
Dark-eyed Junco030212
White-crowned Sparrow2120
White-throated Sparrow12601020
Nelson’s Sparrow0100
Savannah Sparrow 1441
Song Sparrowxxxx
Lincoln’s Sparrow1651
Swamp Sparrow2321
Bobolink5552
Baltimore Oriole2876
Rusty Blackbird0200
Common Grackle3333
Northern Waterthrush0001
Black-and-white Warbler1300
ORANGE-CROWNED WARBLER0121
Nashville Warbler1100
Common Yellowthroat4886
American Redstart3411
Cape May Warbler2828
Northern Parula3610
Magnolia Warbler0100
Yellow Warbler2421
Chestnut-sided Warbler0100
Blackpoll Warbler84044
Black-throated Blue Warbler0300
Palm Warbler206044
Pine Warbler0010
Yellow-rumped Warbler406004020
YELLOW-THROATED WARBLER0100
BLACK-THROATED GRAY WARBLER0011
Black-throated Green Warbler0611
Wilson’s Warbler1200
Northern Cardinalx888
Rose-breasted Grosbeak0111
Indigo Bunting1132
PAINTED BUNTING1000
DICKCISSEL2311
Day total67806968

Species added on Monday evening and Tuesday, with Jeannette:

Common Loon, Spotted Sandpiper, American Woodcock, Black-billed Cuckoo, Winter Wren, Hermit Thrush, Ovenbird (warbler #21!),

Tour total = 100 Total Weekend Total = 107

This winter wren was one of the last birds Jeannette and I added to the cumulative weekend list as we spent some time on our day off hiking the island’s north end.

3 thoughts on “2025 Monhegan Fall Migration Weekend Tour Report

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