Tag Archives: radar

Huge Morning Flight at Sandy Point!

My last blog entry ended with a little bit of foreshadowing, did it not? But before we get to Sandy Point this morning, let us take a moment to review the radar images from the weekend for comparison.

This is the 12:00am image from Sunday. This is what “no migration” looks like on the radar. You can also see the rain approaching from the west.

Now this is the midnight image from Saturday. This is what “I have no idea what’s going on” looks like on the radar. While anything from some weird warping of the radar beams from changes in air temperature to a simple malfunction could result in this, what it is NOT is a lot of birds. It’s too irregular…and bird’s don’t “explode” in narrow bands!

So, compare those to what “a whole boatload” of birds looks like. Here are the 10pm, 12am, 2am, and 4am base reflectivity and velocity images from last night.

Yeah, it would have been nice to be on Monhegan this morning. But I was in my other sanctuary – my office at Sandy Point. And this is what happened:

6:28 – 10:05am.
43F, increasing W to NW, clear.

1338 Unidentifed (*2^nd highest)
416 Northern Parulas (* Seriously, how are there any more parulas to come through! This is the second highest count of all time, and now all three of the highest tallies are from this year!)
281 Northern Flickers
179 Black-throated Green Warblers (*2^nd highest)
163 Blackpoll Warblers
91 Yellow-rumped Warblers
43 Black-and-white Warblers (*record high)
39 Red-eyed Vireos
35 American Redstarts
29 Blue Jays
29 Ruby-crowned Kinglets
23 Yellow Warblers
22 Blue-headed Vireos
21 Scarlet Tanagers (*record high)
21 Dark-eyed Juncos
19 Cedar Waxwings
18 Magnolia Warblers
17 Nashville Warblers (*record high)
17 American Goldfinches
13 Black-throated Blue Warblers
12 Eastern Phoebes (* ties high)
11 Swainson’s Thrushes
9 Palm Warblers
6 Rusty Blackbirds
5 American Robins
4 Unidentified vireos
4 Chestnut-sided Warblers
4 White-throated Sparrows
3 Least Flycatchers
3 Cape May Warblers
3 Bay-breasted Warblers
2 Common Loons
2 Broad-winged Hawks
2 TUFTED TITMICE (rarely seen crossing)
2 Unidentified thrushes
2 Golden-crowned Kinglets
2 Blackburnian Warblers
2 Common Yellowthroats
1 Osprey
1 American Kestrels
1 Yellow-bellied Sapsucker
1 Eastern Wood-Pewee
1 Common Raven
1 Philadelphia Vireos
1 Veery
1 Tennessee Warbler
1 CONNECTICUT WARBLER (My third of the season here; it’s the fall of the CONWs in Maine!)
1 Northern Waterthrushes
1 Rose-breasted Grosbeak
1 DICKCISSEL (third of the season here)
1 Baltimore Oriole

Total = 2, 905 (4^th highest tally all time for me)

Some of the migrants pause long enough at Sandy Point to do a little snacking. Here’s a Red-eyed Vireo eating Alternate-leafed Dogwood fruits, and a Swainson’s Thrush stepping out into the sun to dine on Winterberries.

A little post-Sandy Point birding yielded two Wilson’s Snipe trying to stay hidden along the edge of a puddle along Greely Road in Cumberland.

And tonight looks just as good…perhaps even a little better with a more northwesterly flow. See ya at the bridge at sunrise!

Two Fun Mornings at Sandy Point

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With a busy tour and travel schedule once again this fall (every year I say I will schedule fewer things in my favorite season to bird in Maine!), my time at Sandy Point is at a premium. Since it takes certain conditions to make birding here worthwhile, I get quite excited when conditions line up for a good flight.

I was very anxious to arrive at “my office” on Tuesday morning. Moderate northerly winds overnight turned to the northwest, resulting in an exceptional flight over and through SandyPointBeach come dawn. Here is the morning’s scorecard:

-6:23-10:45am.
-37F, Clear, Light northwest, increasing.
-Jenny Howard and Jeannette Lovitch assisting with the count.

1195 Unidentified
984 Northern Flickers (*2^nd highest count)
703 Northern Parula (*New high count; old record only 234!)
391 Cedar Waxwings (*New high count)
153 American Redstarts
152 Blackpoll Warblers
145 Black-throated Green Warblers (*2^nd highest count).
101 Broad-winged Hawks (*New high count)
35 Yellow Warblers
28 Black-and-white Warblers
23 Yellow-rumped Warblers
21 Red-eyed Vireos
19 Magnolia Warblers
17 Swainson’s Thrushes (*ties high count)
16 Eastern Phoebes (*New high count)
12 Nashville Warblers
11 American Goldfinches
9 American Robins
9 Rose-breasted Grosbeaks (*New high count)
7 Palm Warblers
7 Scarlet Tanagers
6 Common Loons
6 White-throated Sparrows (in bushes; no crossings)
5 Tennessee Warblers
5 Common Yellowthroats (in bushes; no crossings as usual)
4 Cooper’s Hawks (*New high count)
4 Unidentified vireos
4 Blue Jays
3 Ospreys
3 Least Flycatchers
3 Unidentified empids
3 Philadelphia Vireos
3 Chestnut-sided Warblers
3 Blackburnian Warblers
3 Bay-breasted Warblers
3 Black-throated Blue Warblers
3 Chipping Sparrows
3 Rusty Blackbirds (first of season)
2 Sharp-shinned Hawks
2 American Kestrels
2 Bald Eagles
2 Ruby-throated Hummingbirds
2 Golden-crowned Kinglets
2 Ruby-crowned Kinglets
2 Cape May Warblers
2 European Starlings (first time I have “deemed them migrating”)
2 Dark-eyed Juncos
1 Red-tailed Hawk
1 Northern Harrier
1 Unidentified small falcon
1 Eastern Wood-Pewee
1 “Traill’s” Flycatcher
1 Blue-headed Vireo
1 Red-breasted Nuthatch
1 NORTHERN MOCKINGBIRD (6 false-starts before apparently crossing)
1 Pine Warbler
1 CONNECTICUT WARBLER (3^rd of the season as Tom Johnson and Jenny Howard had one here on 9/15 as well)
1 Northern Waterthrush
1 Red-winged Blackbird
1 Purple Finch
1 Monarch butterfly

Total= 4,134 (*2^nd highest count of all time!)

Simply put: wow! That was one heck of a flight. In fact, it was downright overwhelming at times – flocks of flickers, waves of warblers, packs of waxwings. It was almost too much to count, and thankfully, Jenny Howard agreed (OK, so maybe I didn’t exactly ask, but beg) to tally flickers for the busiest part of the morning for me. That helped a whole lot.

After a flood like yesterday morning, I am not disappointed by the slow, but steady trickle through the point this morning. It was a more manageable number to count, with quite a few birds lower than yesterday, and often only a few at a time; it was easier to sort through.

Here’s this morning’s scorecard, then, we’ll compare the different flights as viewed on the radar.
– 6:21-9:05
– 41F, Clear, Calm becoming very light west.

265 Northern Parulas (*2^nd highest count)
202 Unidentified
54 Black-throated Green Warblers
45 Northern Flickers
32 Cedar Waxwings
32 American Redstarts
26 Yellow-rumped Warblers
17 Yellow Warblers
14 American Robins
14 Blackpoll Warblers
13 Blue Jays
10 Red-eyed Vireos
7 Nashville Warblers
6 Eastern Phoebes
6 Black-and-white Warblers
4 Ruby-crowned Kinglets
4 Tennessee Warblers
4 Palm Warblers
4 Wilson’s Warblers
4 Chipping Sparrows
3 Common Loons
3 American Kestrels
3 Blue-headed Vireos
3 Chestnut-sided Warblers
3 Common Yellowthroats
2 Unidentified empids
2 Ruby-throated Hummingbirds
2 Swainson’s Thrushes
2 Black-throated Blue Warblers
2 Magnolia Warblers
2 Rose-breasted Grosbeaks
2 Baltimore Orioles
2 American Goldfinches
1 Peregrine Falcon
1 Solitary Sandpiper
1 Least Flycatcher
1 “Traill’s” Flycatcher
1 Unidentified flycatcher
1 Philadelphia Vireo
1 Unidentified vireo
1 White-breasted Nuthatch
1 Prairie Warbler
1 Scarlet Tanager
1 Purple Finch

Total: 801

I’ll admit, I wasn’t expecting it to be quite this good. And despite really only a “good” flight, parulas had their second highest tally – I didn’t think there would be any left after yesterday’s flight! And yes, this more manageable flight was more “enjoyable,” if considerably less awe-inspiring.

So, what made me have lower expectations for today? Let’s go to the radar!

First, the massive flight overnight Monday into Tuesday that led to all of the records yesterday. I have included the 10pm, 12am, 2am, and 4am radar and velocity images:

Combined, these images show a very strong flight all night long, with a lot of birds offshore come twilight, and likely a lot of birds arriving at the coast come dawn. Looking at that image when I went to bed, and when I awoke, coupled with the light northwesterly winds all night left no doubt that things would be hopping at Sandy Point. And, as we now know, there most certainly was. If you see a radar image that looks like this – go birding in the morning!

In fact, it was a good day all-around for migrants, and everywhere we looked up yesterday, raptors were on the move.

Now, let’s take a look a the radar and velocity images from 10pm, 12am, 2am, and 4am last night:

As night fell Tuesday night, clear and mostly calm conditions let birds take to the air once again – but not nearly as many as the night before. Notice how much smaller the area of return is, and how much less dense? Meanwhile, the velocity image was much less distinctly fast-moving, north-to-south as the previous night (of course, with little to no wind, the ground speed of the birds would be less anyway) – a little more ambiguous than the night before. Furthermore, with a forecast for westerly winds (not as good as northwesterly), and the chance that they would become southwesterly by dawn, I did consider skipping Sandy Point this morning, but with the rest of the week looking even less productive, I knew I had to give it a go.

And, obviously, I am glad that I did. But upon returning to the store, and checking those above radar images once again, I find it a bit odd that the radar image (small in diameter, but very dense) did not translate to a more distinct velocity image. Perhaps there was a lot of slow-moving stuff up there (insects, pollen, dust, etc) that clouded the motion of the birds. Either way, it was a good night for flying, and if it’s a good night for flying, it’s a good morning to be at Sandy Point!

A Weekend at the Cape Cod Bird Festival

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Other than a departure point for pelagics, it has been over 15 years since I have birded Cape Cod. Too long. Every late summer and early fall in particular, it’s “we really should get to the Cape” for shorebirds, especially South Beach and Monomoy Island. Well, my visit this weekend only wet my pallet for a future, more birding-intensive visit.

I was asked to join the Leica Sports Optics team of good friends Jeff Bouton and David La Puma at their booth for the first annual Cape Cod Bird Festival. As the only Authorized Leica Optics dealer in Northern New England, I had multiple roles to play. First, it was to be the retailer of any optics sales. Secondly, I was there to use my first-hand experience in telling the story of the Critically Endangered Spoon-billed Sandpiper. Leica has recently become a leading sponsor of the international effort to save this unique species. And finally, I was there to sign some copies of my book. Oh yeah, and do some birding and beer-ing with Jeff and David, of course.

The weather forecasts as of Thursday suggested that some good movements of migrants were about to occur. I went to bed optimistic that the first flight would occur behind the front for Friday morning (see previous blog entry), but as I woke up to rain still falling, I knew that this was not to be. Therefore, I began my trek southward, stopping for a short visit at Fort Foster in Kittery. That short visit lasted a little longer than expected, as I found not one, but TWO Connecticut Warblers!

With rain still falling, I left the camera in the car. Of course, this usually results in some exceptional photographic opportunity. Yup, sure did. A Connecticut Warbler (CONW) – normally a frustratingly secretive skulker in migration, walked out (the fact that it was walking, one foot in front of the other, rather than hopping itself helps to clinch the birds’ identity) onto a low branch at the edge of thick brush. I lamented the lack of a camera, but was enthralled with my view.

A short while later, I was even more shocked to see a second CONW walking out into the relative open! This time, I remembered that there was an iPhone in my pocket, and out of sheer desperation, I held it up to my binoculars and shot away. It actually worked…a phone-binned CONW! (This, as a friend pointed out, may have been a first-ever occurrence). My best shot – relatively speaking of course – was this one.

But this other shot nicely shows the very pink legs and exceptionally long undertail coverts.

Oddly enough, with the exception of plenty of Common Yellowthroats, I only encountered three migrant warblers this morning…and two were CONW! (The other being my first Palm Warbler in southern Maine this fall). After stopping at Kelly’s Roast Beef, I finally arrived at my destination for the weekend, The Cape Codder in Hyannis.

Meeting up with David and Jeff, we got to work, and it was nice to run into quite a few other friends over the course of the weekend. David – radar guru and creator of www.Woodcreeper.com – and I were (I know this will come as a surprise) glued to the NEXRAD images and wind forecasts in the evening, hoping to make a sound prediction for the hot birding.

David works with the next generation of Leica fans.

Well, perhaps we should have tried elsewhere, as Harding Beach in Chatham was not the place to be. In fact, we tallied the reorienting migrants on one hand (although we didn’t exactly make it there in time for sunrise). There weren’t many passerines around the woods at Morris Island, either. Looking at the overnight radar images, and seeing that winds were light north (instead of the forecasted NW), it was obvious that the big flight out onto the Cape just didn’t occur. I guess the silver lining to this was that we didn’t have too hard of a time pulling ourselves away to spend the rest of the day inside.

At least I had my brand new review copy – thanks to the good folks over at the Houghton Mifflin booth – of the Peterson Reference Guide to Seawatching: Eastern Waterbirds in Flight by my friends Ken Behrens and Cameron Cox to page through.

And look who I found inside!

Come evening, we enjoyed seeing Pete Dunne in his native habitat: captivating a room full of birders with his story-telling.

Afterwards, David and I checked the radar once again. And once again, we saw birds on the radar, but few birds east of Boston. Take a look at the 1am radar and velocity images from the Boston area NEXRAD. The winds were just too light to push birds well out of Cape Cod Bay, apparently.

At least we didn’t have to make a decision as to where to start the day, as the three of us were on our way to the harbor to take part in the festival’s pelagic trip. Like the waters north of Cape Cod (until your reach the waters off of Mount Desert Island), the summer seabirding has been dreadfully slow overall, so expectations were not too high. The first half of the trip was living up to said low expectations, but things really picked up in the last few hours, as were well east of Cape Cod. While the least expected seabird (for the season and the area) was probably the Leach’s Storm-Petrel, the highlight for me was this cooperative juvenile Long-tailed Jaeger.

Although a fairly dark individual, we can see the fairly slim build, small head and bill, and overall more “gentle” appearance. I flight, it seemed slim and attenuated. The photos show the two white primary shafts on the upperwing, and the rounded central tail feathers.

We also saw at least two Parasitic Jaegers, including this one chasing a juvenile Common Tern.

Four more unidentified, distant jaegers added to the strong finish – any day with jaegers is a good day in my book. Other highlights included a Black Tern, 14 Sooty, 5 Great, and 1 Manx Shearwater, some good looks at Red-necked Phalaropes, two Basking Sharks and a Mola Mola, but only a couple of Minke Whales. The cloud of Tree Swallows over Monomoy was quite impressive, as were some of the offshore landbirds: a Cape May Warbler, a Magnolia Warbler, a Northern Harrier, and an immature Black-crowned Night Heron – the latter of which was voicing its displeasure about being about 15 miles from shore, heading back north towards the Cape. Three bats – at least one that I conclusively identified as a Red Bats, three Lesser Black-backed Gulls, two early Great Cormorants, and a “pelagic” Cloudless Sulfur rounded out what, in the end, was actually a fairly productive outing.

It was a long drive home afterwards, however. Luckily, southwesterly winds suggested I wouldn’t have to wake up early to get to Sandy Point for dawn. However, take a look at the radar image. Once again, I’ve included the 1am image for the example. It looks like a ton of birds!

But the velocity image suggested little to no speed for whatever was in the air (it was not foggy last night), so I do not know what it was.

There was little overhead in the morning in either our yard or at Old Town House Park, so I don’t think I was mistaken about this not being a big flight of birds. Furthermore, in a short listening session before going to bed, I heard very, very little.

Tonight, however…well, let’s just say that I will be at Sandy Point tomorrow morning! I just hope the winds stay more northwesterly than north, or – gasp – northeasterly by morning as currently suggested by the wind forecast I like to use.

Current Birds, Weather, Predictions . . . and Pretty Shorebird Photos

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Yesterday’s record high temperatures (92 in Portland shattered the old record of 87) were ushered in on a strong southwesterly flow. Unseasonably warm air continues today, as the southwesterly winds aloft are picking up ahead of tonight’s cold front (more on that shortly).

Here are the continental wind maps from yesterday afternoon, and this afternoon. Yesterday, you can see the south-southwesterly flow originating from under a broad area of high pressure over the Southeast…

…but notice that by today, cool, Canadian air was pouring down into the Upper Midwest (which resulted in some big flights over the last two nights in that region).

In addition to hot and very muggy conditions, this strong southerly flow has the potential to usher in some hot new rarities to our neck of the woods. While it appears that the Biddeford Pool Kentucky Warbler has moved on, I am expecting some more southern strays to turn up in our region. Keep in mind, however, that these winds are not “blowing” birds north, but instead facilitating birds to arrive here that are either wandering (post-breeding dispersal, prospecting for new territories, etc) or area already flying in the wrong direction (e.g. “180-degree misorientation”).

In other words, if a Kentucky Warbler – for example – was “miswired” and began to fly north instead of south, a strong southerly wind would push it even farther the “wrong” way. Then, with tonight’s cold front, the strong northwesterly winds that follow could push the birds towards the coast. There, they find a coastal migrant trap – i.e. a dense thicket full of fruiting bushes in the woods of Biddeford Pool – to seek shelter in while they refuel. There, they are more likely to be found by an alert birder than say somewhere in the valleys of the western Maine mountains. Many migrants spend 3 to 7 days to “refuel.” I don’t think it was a coincidence that the Biddeford Pool KEWA was seen for five days…and that it disappeared after a night of light southerly winds. Of course, it may have just moved to a richer food patch, or one without birders unnecessarily blasting a tape at it all afternoon.

Anyway, what will the weekend produce? I might be thinking more along the lines of birds like Summer Tanagers and Hooded Warblers based on this recent weather pattern. Unfortunately, I won’t be around to find them! Instead, I will be helping out at the Leica Sports Optics booth at the Cape Cod Birding Festival in Hyannis (I’ll also be signing copies of “How to Be a Better Birder,” which of course covers many of the vagrant-producing and Mega-finding topics that I have touched upon here).

Ahead of tonight’s cold front, and before the forecasted thunderstorms of the afternoon, I – not surprisingly – was out birding this morning. It’s September – there’s really no such thing as a night with “no” migration. However, what was flying last night was not being noticed on the radar; likely a limited number of birds were flying below the clouds, however.

Here’s the midnight radar image for example:

That would be thunderstorms. Not birds. And we can verify it from the velocity image:

…A distinct west to east movement, unlike the northerly to southerly movement of southbound fall migrant birds. Therefore, I was not surprised to have very, very few birds overhead at dawn over our yard this morning, or later on at Hedgehog Mountain Park. I did, however, find a lot of birds in the woods. While some of these might have been new arrivals that snuck in below the clouds and between the storms, the mixed-species foraging flocks working through the woods was much more indicative of birds that have been around for a day or two. The flock that moved through our yard shortly after sunrise, consisting mostly of Blackpoll Warblers, also contained not one, but two new Yard Birds for us: Cape May Warbler and Philadelphia Vireo! Also, at least two Tennessee Warblers.

Multiple mixed flocks were encountered at The Hog, led by Blackpoll Warblers, along with a healthy serving of Black-throated Greens. A Lincoln’s Sparrow foraged at the edge, and a mixed-species flock consisting of 40+ Chipping Sparrows, 6 Eastern Bluebirds, and 1 Pine Warbler worked the edge of the transfer station and out through the ballfields.

Afterwards, I zipped down to Pine Point for the low tide. Shorebird numbers are down considerably, as expected by the middle of September. And, I would expect a lot of the birds I saw today to clear out behind this next cold front. About 180 Semipalmated Sandpipers led the way, punctuated by a juvenile Red Knot, and two continuing American Oystercatchers (they were too far to determine age, visible over on Western Beach as viewed from Pine Point Beach). Four juvenile Dunlins were a sign that their migration – one of our two latest migrant shorebirds – is just now picking up. The highlight, however, were side-by-side “Eastern” and “Western” Willets. Unfortunately, I was only able to get the two in the frame together by phone-scoping, here with a Greater Yellowlegs for a convenient reference.

I then carefully approached with my “real” camera, but I never again saw the two birds in the same field of view. However, I did get solid photos of both the juvenile Western…

…and the juvenile Eastern.

Even from the lousy phone-scoped photos, you can see how distinctive these two subspecies (for now!) are. The smaller, “dumpier,” browner Eastern nicely contrasts with the larger, lankier, and much grayer Western. Also, note how the darker brown scapulars of the Eastern contrast with the rest of the wing; Western is more uniform. The head of the Eastern is also more contrast-y, and in this individual, the bill is so distinctly shorter and blunter.

Elsewhere, I finally got a chance to look for – and find – the juvenile Hudsonian Godwit that has been frequenting the river behind the Scarborough Marsh Nature Center for about a week now. This is the first “Hud-wit” that I have seen in two years here in Maine – this once-common migrant has definitely declined dramatically in the state.

Now, my eyes are on the weather maps, and after dusk, the radar, to see if I will be at SandyPoint at sunrise on Friday. This is the wind map as of 5pm. The northwesterlies behind the front are barely peeking into the region north of the St. Lawrence River in Quebec.

Currently, forecasters are suggesting that the cold front won’t pass through until tomorrow morning. However, with very light winds overnight, perhaps with a westerly component, there could be some birds on the move…depending on when this latest batch of rain and thunderstorms (the storms last night and this afternoon were wicked, weren’t they? And very un-September-like) moves through. Will the front get here soon enough? Will birds be moving directly behind the front? Will they be pushed offshore enough to need to reorient in the morning? I’ll let you know tomorrow!

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Maine Birding Field Notes

Trip Reports, Essays, Rare Bird Reports, and More from Derek Lovitch's and Freeport Wild Bird Supply's birding in Maine and beyond.

Tag Archives: radar

Huge Morning Flight at Sandy Point!

Two Fun Mornings at Sandy Point

A Weekend at the Cape Cod Bird Festival

Current Birds, Weather, Predictions . . . and Pretty Shorebird Photos

A Record-setting First Day of the Season at Sandy Point