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last day of standardized ringing at Kabeltromlen
In the night Alix was out catching Nightjars (Natravn) around Storsig and Julian was out trying to catch another Quail (Vagtel) since many could be heard singing. In the end Alix caught a Nightjar (Natravn). A second calendar year female which she was very happy about since it was her first one:)
Nightjar (Natravn) in profile
Nightjar (Natravn) wing, second calendar year because of the two outermost Alula-feathers beeing of juvenile type, also some greater coverts and one secondary.
One the toes, the Nightjar (Natravn) has combs, that is used for cleaning.
Today was the last day of standardized ringing for the spring season and we had a nice morning with some thunder in the atmosphere wish was cool.
The highlights from the ringing was definitely a Barn Swallow (Landsvale) wish was the first of the season caught here. It was a female based on the slightly shorter tail streamers. Also we caught two Reed Bunting (Rørspurv) babies.
Barn Swallow (Landsvale) closeup
Barn Swallow (Landsvale) wing
Barn Swallow (Landsvale) tail, female because of the relatively shorter outer tail feathers than males
Reed Bunting (Rørspurv) babies
János also went observing at the tip for a little while and saw many Common Scoters (Sortand) and an Arctic Skua (Almindelig kjove).
The last bird caught for the standardized ringing for the spring season was a female Blackcap (Munk).
The last bird with the team
The rest of the day was spent napping and some of us went to get Icecream in town since it was very warm outside.
In the evening Anna and Jesper cooked an amazing dinner for us.
Highlights from the observations:
Arctic Skua (Almindelig kjove) - 1
Ringing (Kabeltromlen)
Rørsanger - 5
Landsvale - 1
Munk - 15
Tornsanger - 3
Rørspurv - 2
Havesanger - 1
Gransanger - 1
Total: 28
Ringing (Storsig)
Natravn - 1
Link to today’s observations in DOFbasen from observers in the area
Summary of today's raptor migration in DOFbasen
People: Alvin Johansson, János Schadl, Julian Helbig, Hannah Bangard, Alix Bortolussi, Anna and Jesper Sandfeld
Mass Ringing at Kabeltromlen
The air was fresh, but still pleasantly warm, with no wind at all. The only sounds we heard were countless birds singing. It was the most successful ringing day I have ever had. The ringing had not even started when Alix already caught a bird while opening the nets.
During the first round, we had an unbeatable ten birds. The frequency stayed almost that high throughout the day. During the second or third round, Julian joined us. He had spent the whole night trying to catch some quails. Unfortunately, Julian was not as lucky as the day before. However, he heard at least eight quails, maybe even more, so he will try again over the next few nights.
Despite the spectacular number of birds, the ringing itself was not unusual. Nice catching a few Common Whitethroats (Tornsanger), two Sedge Warblers (Sivsanger) and a robin (Rødhals).
After a while, János’s waders got a leak, so he went to the end of the world, where he made some nice observations. He saw a Black Kite (Sort Glente), two Crossbills (Lille Korsnæb), 180 Common Swifts (Mursejler), and ten Grey Herons (Fiskehejre).

János staying sheltered from the sun – is there anything a Kabeltromle would not be useful for??
Because of the high number of birds, we continued ringing. Between the rounds, we had to stay focused to keep up with ringing all the birds. Although we no longer had ten birds every round, there were still enough to keep us busy.
My personal highlight came during the last round at the last net: a Chiffchaff mother and five of her baby Chiffchaffs. I doubt that I have ever seen such lovely and sweet birds. They had fluffy bellies, fresh new feathers, fragile little legs, and were almost small enough to hide behind a ping-pong ball.
We released the family together next to the net where we had caught them. There might even have been a sixth chick in the area. We heard it calling right after catching the family. As we did not want to separate them, Alvin and Alix went back and released all six birds in that area.

Closing nets at 12:00.
It was already noon when we finally left after ringing 61 birds and having 9 recaptures. During the last hour, we had run out of water, and it was quite hot in the sun. Nobody had expected to stay until 1 p.m., four hours longer than usual. That is why we were particularly happy to take a refreshing swim in the cool, turquoise waters of the Kattegat.
While walking to the beach, we were told that a racing pigeon had been wandering around the lighthouse and occasionally flying around to entertain some visitors. It may sound funny, but the pigeon is probably a weak, disoriented bird in need of help and food.
The first attempts to catch it failed, but by the evening the pigeon had become so weak that Alix and Alvin had no difficulty gently picking it up. They prepared a box with seeds and water for it. Hopefully, it will recover quickly.
Its condition was terrible, as it had virtually no fat reserves left. Over the next few days, we plan to call a wildlife hotline to make sure we are doing the right thing or to place it in good hands if necessary.#
Highlights from Observations:
Black Kite (Sort Glente) - 1
Common Swifts (Mursejler) - 180
Sivsanger - 2
Kærsanger - 5
Rørsanger - 10
Gransanger - 6
Munk - 28
Havesanger - 1
Gærdesanger - 1
Tornsanger - 3
Sangdrossel - 1
Grå Fluesnapper - 1
Rødhals - 1
Bogfinke - 2
Total: 61
People: Alvin Johansson, János Schadl, Julian Helbig, Alix Bortolussi, Hannah Bangard, Jesper & Anne
A Quail at Dawn
My day started extra early at two o’clock in the morning, as I went out to try night catch one of the Quails (Vagtel) that have been singing all throughout the Storsig area in the past nights. Already on my first hundred meters in, I heard at least three males vocalising their characteristic trisyllabic song that reminds of water drops. Locating them precisely however turned out to be very challenging, because they usually only sing a few times and then pause for a minute or more. The thermal binoculars I brought with me weren’t of any use, since the overall temperature was already to warm. But somehow I managed and was able to approach one of the birds, the overcast sky and strong northwesterly winds probably helped me get close enough. I found the tiny nocturnal singer in the beam of my flashlight and caught it with the hand net. With the Quail (Vagtel) in hand, I called Alvin to wake him and the others up and meet them in the lab to ring the bird. János and Hannah only had time to take a quick look at the Quail (Vagtel) before heading out to Kabeltromlen, but Alvin and I could take our time to process the bird, which was behaving very calmly, and take good photos. It was my first ever steel ring closed, so now I can call myself a more experienced ringer than I was before. Not only the song, but also the throat and breast pattern proof the bird to be a male; we aged it as 3cy+ (3rd calendar year or older), as it doesn’t show a moult limit in the primaries. As dawn slowly broke, we released the Quail (Vagtel) at the same spot where it was caught and watched it fly off well immediately. What a great experience, I will definitely try again as it worked so well on my first try.




3K+ male Quail (Vagtel). Such a lovely little bird.
János and Hannah came back early from Kabeltromlen: After opening only very few nets due to wind, and having caught one single bird, they decided to close everything, and were back at the station at 07:00. Alvin tried some birdwatching first, but there was almost no movement out at sea, and so he quit soon after and caught a bit more sleep instead. János and I occupied ourselves with indoor work, Hannah went for a walk to the Pencil first. After lunch, Alvin and I checked some ringing sheets. Our dear guests Anne and Jesper went into town, where they visited the museum and had lunch at the restaurant. Back in the apartment, they watched the flocks of birds resting along the shore, just through the window – one of the most convenient forms of birdwatching there is. Towards the evening, we all went out again. Despite the winds still present, it was quite warm and both Hannah and Alvin had a little swim. After dinner, Alvin picked up Alix at the train station. She will stay with us until the end of June, and we are all so happy to have her back again!
Vagtel - 1
Munk - 1
People: Alvin Johansson, János Schadl, Julian Helbig, Hannah Bangard, Anne & Jesper
UK Chiffchaff
The morning was rather calm but productive with a small but steady amount of birds per round. Since the standardized migration count was over, we all went to Kabeltromlen or had a sleep in. The best bird of the morning was a Chiffchaff (Gransanger) with an UK ring, but since these rings are literally used everywhere we will need to wait a bit to finde out where it was comming from.

Chiffchaff (Gransanger)
After the ringing Alvin spend some time with cleaning and laundary and Hannah went for a shopping trip. Alvin also found that the chicks of the Great Tit (Musvit) breeding pair in our garden have fletched, so he set up the gardennet to try and catch them. This can be very interessting, as you exactly know who the parents are.
Beside this, there was not much going on birdwise today in Skagen. Both Aalvin and I went for a short seawatch and outside of the lighthouse were he saw two Razorbills (Alk) and two Kittywakes (Ride) and I later had a Black Guillemot (Tejst) resting close to the beach.
Highlights from the observations:
Black Guillemot (Tejst) - 1
Ringing (Kabeltromlen)
Gransanger - 1
Gærdesmutte - 1
Jernspurv - 1
Kærsanger - 1
Rørsanger - 2
Munk - 9
Tornsanger - 1
Rørspurv - 1
Total: 17
Link to today’s observations in DOFbasen from observers in the area
Summary of today's raptor migration in DOFbasen
People: Alvin Johansson, János Schadl, Julian Helbig, Hannah, Lars Bo
First Baby Bird!
We chose today for the next scheduled CES session, and since the spring period of standardised migration counts is over now, we could easily split up to do simultaneous ringing at Kabeltromlen. Alvin and I needed to get up at 02:00 to be at Skarvsøen in time, but thankfully we had the opportunity to nap a bit in between checking the nets, since we only caught about two to four birds each round (including a lot of recaptures).

Tired Alvin.
János, Agnes, and Hannah at Kabetlromlen had a surprising first round of ten birds, but afterwards it slowed down for them as well. It was quite windy and chilly with overcast in the beginning, but later it got sunny and warmer. They caught a beautiful male Yellowhammer (Gulspurv). Our guests, Jesper and Anne, also visited Kabeltromlen for a while after listening to all the nice bird songs on their way out.

Yellowhammer (Gulspurv) at Kabeltromlen.
Alvin and I ringed the first baby bird of the season, a Dunnock (Jernspurv) fledgling with not yet fully grown wings. It’s nice to see that now also in Skagen the first young birds start to leave their nests.

First calendar year Dunnock (Jernspurv) – first ringed baby bird of the season.
As always, the six hours of CES ringing were a bit more exhausting than our usual five hours standard, so when Alvin and I got back, we needed some relaxation first. Alvin went for a swim. In the meantime, Jesper and Anne got János and Hannah a lift to the shop, which we are always very thankful for. They also took Agnes to the train station, because, unfortunately, she had to leave us again already. Bye Agnes, we hope you still had some fun days here anyways! Later, Hannah explored the area a bit further, and Jesper and Anne also went for a walk through the town and its surroundings, before preparing a fantastic dinner for us – a delicious Vietnamese dish with sweet potato and spinach. Later during evening meeting, they mentioned an observation they had yesterday evening of what they thought was a Grey Shrike (Stor Tornskade). Hearing about this immediately caught our attention, because at this time of year, Grey Shrikes (Tornskade) are very unlikely to come here, however it’s the perfect time for their similar-looking but much rarer relative the Lesser Grey Shrike (Rosenbrystet Tornskade) that breeds in South and eastern Europe and western Asia. When our meeting was done, we rushed straight out to scan the area and check for the bird, although staying in the same spot for more than one day would also have been rather unusual for this species, but the possibility was still there. The only shrikes we saw however were several Red-backed Shrikes (Rødrygget Tornskade) perching on the rosebushes in the evening sun.
Gransanger - 3
Rørsanger - 1
Havesanger - 1
Tornsanger - 1
Munk - 10
Gulspurv - 1
Total: 17
Gransanger - 1
Rørsanger - 3
Gærdesanger - 2
Jernspurv - 1
Munk - 1
Tornsanger - 1
Total: 9
People: Alvin Johansson, János Schadl, Julian Helbig, Hannah Bangard, Jesper & Anne
Last standardized migration count of the season
Today was very windy so we only had the nets open for around two hours in the morning. Nonetheless we got three birds, two Blackcaps (Munk) and one Garden Warbler (Havesanger).
Garden Warbler (Havesanger)
Today was also the last day of the standardized migration count of the season which János conducted today, with the highlight being the Fulmars (Malemuk)
Julian is feeling better today as well, being ill yesterday. He had a nice breakfast outside and rested in the morning.
Not being tired enough from waking up early haha, Hanna went for a 10 km run and ended it by swimming in the ocean.
In the afternoon our new apartment guests, Anna and Jesper arrived. We are already looking forward to what you will cook for us tomorrow for dinner since we have heard a lot of good things about that :)
Highlights from the observations:
Fulmar (Mallemuk) - 42
Ringing (Kabeltromlen)
Munk - 2
Havesanger - 1
Link to today’s observations in DOFbasen from observers in the area
Summary of today's raptor migration in DOFbasen
People: Alvin Johansson, János Schadl, Julian Helbig, Hannah Bangard, Agnes Hjortsberg, Anna and Jesper Sandfeld
Night in the Dunes
Hello everyone,
My name is Hannah, and I'm visiting my friend Julian at the Fuglestation in Skagen. I arrived on Tuesday, and since then I've been entering the world of birding. So, I'm still a beginner!
As you know from the previous blog post, we tried catching terns (Terne) during the night at the place where the North Sea and the Baltic Sea meet. We set up two nets over a small pond about 10 meters from the sea to be safe. Otherwise, the nets could have ended up in the water because of the waves and the movement of the sand. Afterwards, we returned to our base camp in the dunes and got some sleep. Every 30 minutes, someone checked the nets. Unfortunately, we didn't catch any birds at all. That was disappointing, but it was still worth the attempt.
At 3:00 in the morning, János left for Kabeltromlen to prepare the standardized ringing session, allowing the rest of us to sleep a little longer. He opened all the nets and completed the first round by himself.
One hour later, 400 meters further north, Alvin, Julian, and I closed the nets on the beach. We hadn't caught a single bird, and the wind had become too strong. We had to end the session to avoid any risk of birds being harmed in the shaking nets.
After taking down the nets, Julian and I joined János. Alvin stayed behind for migration counting. Normally, you might call someone a workaholic if they sleep at their workplace. For a birdwatcher, however, it's one of the best things in the world!
Apart from a Manx Shearwater (Almindelig Skråpe) and a Fulmar (Mallemuk), the migration count was rather slow because of the strong wind.
The situation wasn't much different 400 meters inland. In total, we caught nine birds plus one recapture. Three of them were Chiffchaffs (Gransanger), two Reed Warblers (Rørsanger), one Marsh Warbler (Kærsanger), one lesser whitethroat (Gærdesanger), one Common Redstart (Rødstjert), and one Blackcap (Munk).
Inbetween rounds, János heard a Golden Oriole (Pirol) and informed the birdwatching community via Zello. Three birders came by shortly afterwards in the hope of seeing it.
I'm really enjoying bird ringing. Walking between beautiful bushes and reed beds, carefully extracting birds from the nets and then analyzing them is a fascinating experience. I'm impressed by the knowledge and enthusiasm of everyone here.
Back at the station, a woman from Aarhus university arrived to collect some dead birds that the Fuglestation had gathered over the past months. She will examine the plastic found inside them as part of a large research project.
A few minutes later, Agnes from Sweden arrived. Welcome, dear Agnes! She will be staying with us as a volunteer for the next month.
After lunch, I showed her the cormorant lake. During the afternoon, everyone spent their time differently: taking naps, going for bird walks, working on their computers, or simply relaxing.
We enjoyed a delicious dinner cooked by János and finished the day with our usual evening meeting. Since it was Sunday, we also planned the upcoming week together on the whiteboard.

Fulmar (Mallemuk) - 1
Gransanger - 3
Rørsanger - 2
Kærsanger - 1
Gærdesanger - 1
Rødstjert - 1
Munk - 1
Total: 9
People: Alvin Johansson, János Schadl, Julian Helbig, Mathilde Sund, Hannah Bangard, Lars Bo, Knud Pedersen
Crazy Halloumi Burgers
We had south winds overnight. This brought in a fishy smell from the harbour, but also a good amount of birds to Kabeltromlen. We ringed many Reed and Marsh Warblers (Rørsanger and Kærsanger) and a couple of Sylvias, but the highlight was an totaly unexpected Red-breasted Flycatcher (Lille Fluesnapper). It even had a broodpatch, which was very fun to see, although we dont think it is a breedingbird.

Lille Fluesnapper with broodpatch
I was on migration count this morning, and after two hours of litteraly no mouvments I desided to quit and went over to the ringing. Just in time for the Flycatcher. I stayed there for an hour, befor I needed to go back and meet with Diana. She is a Post dock from Aarhus University and together we went to Skarvsöen to check the Cormorant (Skarv) colonie on plastic and fishing nets used as material for the nests. It was a nice walk and we had a long talk about birdringing and her job as a Seabird biologist and she took some pictures of the nests for her research.
After Alvin did some birding at WE2, he went on a much needed shopping trip and Julian and Hannah went for a walk to Storsig and Batteriskoven and afterwards for a swim. Next to different indoor tasks, I also analyzed data from my recorder at Grenen and found a Stone Curlew (Triel) calling shortly after midnight on the 5th of June. A great record for Skagen!
Nocturnal migrating Stone Curlew (Triel) over Grenen
The highlight of the day however, was the dinner! Alvin made halloumi burger – so good!

Crazy halloumi burgers
We had big plans for the night. As the wind was down, we thought it might be a good idea to try and catch terns at the tip. We prepared everything and biked out to Grenen. The nets were placed over a small pound that had formed close to the tip, and we made our camp on WE3, where we usually do the migration count.

Net settup at Grenen
We brought some blankets, drinks and a couple of candles, so everything was set for a cozy night outside. Even though we ended up not catching anything, it was still a nice trip and fun to spend a whole night at Grenen.
Caspian Gull (Kaspisk Måge) - 1
Munk - 9
Kærsanger - 6
Link to today’s observations in DOFbasen from observers in the area
Summary of today's raptor migration in DOFbasen
People: Alvin Johansson, János Schadl, Julian Helbig, Hannah Bangard, Alix Bortolussi, Anna and Jesper Sandfeld, Agnes
An Owl’s Sleep Schedule
And again we had success with the Nightjars (Natravn)! First, after setting up the four nets, we observed their spectacular flights and song all throughout the area, there were many around. Hidden in the sandy ground, I also found an Antlion (Myreløve), an odd-looking lacewing larva that digs little traps in the ground for ants and other small insects to get caught in.

Nightjar (Natravn) in flight.

Antlion (Myreløve)
Around midnight, Alvin, János and Hannah went back to the car, and I was the only one left outside to check the nets every twenty minutes. In between the rounds, I sat down on a small hill, listened to the Nightjars (Natravn), Woodcocks (Skovsneppe) and Quails (Vagtel), and sometimes also just napped for a few minutes. At 01:40 I had the first Nightjar (Natravn) in one of the nets, by then, I had almost started giving up hope. I called the other to wake them up and headed to the car. On the way however, I saw another Nightjar (Natravn) flying around the second double net, seemingly interested in the sounds we put up on the speakers. I stopped by to see what would happen, and eventually watched the bird fly into the net. When I got to the car, I could surprise the others with this nice double catch. What a great reward for us enduring the sleepless nights and all the biting mosquitoes – now everything was absolutely worth it!



Double Nightjar (Natravn), both 3K+ males.
After ringing the Nightjars (Natravn), we all went out again to take down the nets and pack our stuff. It was 03:00, when Lars Bo drove us home. Today’s ringing team consisting of János and Alvin had to head straight out again to open nets in time, Hannah and I had a few more minutes, since we could leave a bit later for the migration count, enough for a little breakfast. It was tough though out there at World’s End 3, only very few birds, apart from some flocks of Common and Velvet Scoters (Sortand og Fløjlsand), and I had quite a hard time staying awake. I did enjoy close views on two resting Black-throated Divers though.

Black-throated Divers (Sortstrubet Lom).
Hannah left after about half an hour, and went to the ringing at Kabeltromlen. There, they had better luck and way more birds than I, almost forty were ringed overall. The prettiest and most special of them was for sure the second calendar year Red Crossbill (Lille Korsnæb). János called me and I immediately went to see it, Mathilde also arrived just in time. The gorgeous red, green, and grey plumage, and its unique crossed beak make it such a fantastic bird.

Red Crossbill (Lille Korsnæb) ringed at Kabeltromlen.
This was basically where our day ended, because in the afternoon back at the station, we used most of the time to catch up on a lot of sleep that we lacked the past days and nights. Only Hannah went out for a walk in the rain.
Nightjar (Natravn) - 6
Quail (Vagtel) - 2
Woodcock (Skovsneppe) - 3
Lille Korsnæb 1
Munk 21
Havesanger 1
Bogfinke 1
Tornsanger 1
Rødhals 1
Gærdesmutte 1
Gulbug 1
Kærsanger 3
Rørsanger 1
Gransanger 5
Total: 37
Natravn - 2
Total: 2
People: Alvin Johansson, János Schadl, Julian Helbig, Mathilde Sund, Hannah Bangard, Lars Bo
Dylan and Olgas last mornings
After coming back from nightjar (Natravn) ringing, we had 5 minutes before going out to set up nets for the morning ringing at Kabeltromlen. Today was the last morning for Dylan and Olga and they ringed their last birds for this season.
Dylans last bird, Ictarine Warbler (Gulbug)
Olgas last bird, Garden Warbler (Havesanger)
The migration count was slow but luckily there was some gulls to look at, resting on the beach.
The rest of the day was spent sleeping for most of us, except for Dylan and Olga who left the station.
In the evening we went to Skagen Kiltplantage again to do some more nightjar ringing. Check out tomorrow's blog to see how it went ;)
Highlights from the observations:
Caspian Gull (Kaspisk Måge) - 1
Ringing (Kabeltromlen)
Kærsanger - 1
Rørsanger - 5
Gulbug - 1
Tornsanger - 1
Havesanger - 2
Munk - 10
Dompap - 2
Ringing (Skagen Kiltplantage)
Natravn - 1
Total: 1
Link to today’s observations in DOFbasen from observers in the area
Summary of today's raptor migration in DOFbasen
People: Alvin Johansson, János Schadl, Julian Helbig, Dylan Daunt, Olga Fernández Enríquez, Mathilde Sund, Hannah Bangard, Lars Bo, Knud Pedersen


