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Antikythera Bird Observatory @antikytherabirdobs.bsky.social · 27/09/2026

Autumn 2026 Day #44 Raptor Migration Monitoring Weather today did not allow for a prolonged count, but few birds entered the island and struggled with the rainy and windy conditions. 👉 www.trektellen.nl/count/view/1697/20260927 📷 Lesser Spotted Eagles, White Storks, Short toed Eagle - Aris Vouros

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Antikythera Bird Observatory @antikytherabirdobs.bsky.social · 26/09/2026

Autumn 2026 Day #43 Raptor Migration Monitoring Our count was interrupted by the rain today but we had a good variety of species. 66 raptors and 11 White Storks came on the island. www.trektellen.nl/count/view/1697/20260926 Lesser Spotted Eagle, White Storks, Swallows & Martins-G. Kouthouridis

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Antikythera Bird Observatory @antikytherabirdobs.bsky.social · 26/09/2026

Autumn 2026 - Day #29 of Bird Ringing The weather conditions were not on our side today, and we had to close the nets after just two rounds. Nevertheless, we managed to catch some nice species.In total, 27 birds representing 9 species were ringed during the day.

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Antikythera Bird Observatory @antikytherabirdobs.bsky.social · 25/09/2026

Autumn 2026 Day #42 Raptor Migration Monitoring The gentle NE winds brought us a great day, with 300 birds across 16 species! We had the first Hen Harrier and Greater Spotted Eagle! 👉 www.trektellen.nl/count/view/1697/20260925 📷 Common Buzzard, Black Stork, Greater Spotted Eagle - Aris Vouros

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Antikythera Bird Observatory @antikytherabirdobs.bsky.social · 25/09/2026

Autumn 2026 - Day #28 of Bird Ringing A better day at the nets today, with the Blackcap being the most abundant species. We also recorded a new species, a clear sign that autumn has arrived. In total, 78 birds of 16 species were ringed.

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Antikythera Bird Observatory @antikytherabirdobs.bsky.social · 24/09/2026

Autumn 2026 Day #41 Raptor Migration Monitoring Another late September day with small numbers but decent variety of species. Booted Eagles continue most of them juveniles. 👉 www.trektellen.nl/count/view/1697/20260924 📷 Marsh Harrier (Circus aeruginosus) - Aris Vouros

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Antikythera Bird Observatory @antikytherabirdobs.bsky.social · 24/09/2026

Autumn 2026 - Day #27 of Bird Ringing A decent day at the nets, with fewer captures than yesterday. Once again, the Willow Warbler was the most abundant species. In total, 56 birds of 12 species were ringed.

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Antikythera Bird Observatory @antikytherabirdobs.bsky.social · 23/09/2026

Autumn 2026 Day #40 Raptor Migration Monitoring Unstable weather again. Light rain in the morning and strong winds in the afternoon gave us only 8 raptors of 5 species. 👉 www.trektellen.nl/count/view/1697/20260923 📷 Black Kite (Milvus migrans) - Giorgos Kouthouridis

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Antikythera Bird Observatory @antikytherabirdobs.bsky.social · 23/09/2026

Autumn 2026 – Day #26 of Bird Ringing Another productive day at the nets, with a nice variety of species and a new species for the season. Once again, the Willow Warbler was the most abundant species. In total, 113 birds of 23 species were ringed today

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Antikythera Bird Observatory @antikytherabirdobs.bsky.social · 22/09/2026

Autumn 2026 Day #39 Raptor Migration Monitoring Rain on the mainland limited the bird movement today. Despite the bad weather 13 raptors and 3 Black Storks flew over the island. 👉 www.trektellen.nl/count/view/1697/20260922 📷 Black Storks, Honey Buzzard - Giorgos Kouthouridis

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Antikythera Bird Observatory @antikytherabirdobs.bsky.social · 22/09/2026

Another slow day at the nets, with fewer species recorded than yesterday. The Willow Warbler and Blackcap were the most abundant species. In total, 40 birds representing 14 species were ringed during the day.

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Antikythera Bird Observatory @antikytherabirdobs.bsky.social · 21/09/2026

Autumn 2026 Day #38 Raptor Migration Monitoring Good weather gave us 83 birds of 13 species with the 4th Egyptian Vulture of the season, a tagged bird from Bulgaria! www.trektellen.nl/count/view/1697/20260921 Egyptian Vultures, Short-toed Eagle, Lesser Spotted Eagle-A.Vouros, G.Kouthouridis

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Antikythera Bird Observatory @antikytherabirdobs.bsky.social · 21/09/2026

Autumn 2026 - Day #24 of Bird Ringing A more productive day than yesterday, with a good variety of species recorded. The Willow Warbler was the most abundant species, followed by the Blackcap. In total, 60 birds representing 19 species were ringed during the day.

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Antikythera Bird Observatory @antikytherabirdobs.bsky.social · 20/09/2026

Autumn 2026 Day #37 Raptor Migration Monitoring Despite having a slow morning with strong wind and cloudy sky, 2 adult Egyptian Vultures flew over the raptor point and kept flying towards the north. www.trektellen.nl/count/view/1697/20260920 Lesser Spotted Eagle, Egyptian Vultures - G.Kouthouridis

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Antikythera Bird Observatory @antikytherabirdobs.bsky.social · 20/09/2026

Autumn 2026 - Day #23 of Bird Ringing Another quiet day at the nets, but we still recorded a decent variety of species. Once again, the Blackcap was the most abundant species, followed by the Willow Warbler. The day concluded with a total of 46 birds ringed across 16 sp.

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Antikythera Bird Observatory @antikytherabirdobs.bsky.social · 19/09/2026

Autumn 2026 Day #36 Raptor Migration Monitoring Not anything unexpected today. Some Booted Eagles and a juvenile Goshawk are still present on the island while Harriers and Black Kites are passing over. www.trektellen.nl/count/view/1697/20260919 Black Kite, Booted Eagle - A. Vouros, G. Kouthouridis

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Antikythera Bird Observatory @antikytherabirdobs.bsky.social · 19/09/2026

Autumn 2026 - Day #22 of Bird Ringing It was a quiet day at the nets today, but we still recorded a decent variety of species. This time, the Blackcap was the most abundant species, followed by the Nightjar. The day concluded with a total of 48 birds ringed across 19 species.

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Antikythera Bird Observatory @antikytherabirdobs.bsky.social · 18/09/2026

The first control of the season has just been recorded. A first-year Garden Warbler was controlled today on the island during our ringing session. This is the first bird from Sweden that we have controlled. We are now eager to learn the ringing history of this individual.

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Antikythera Bird Observatory @antikytherabirdobs.bsky.social · 18/09/2026

Autumn 2026 Day #35 Raptor Migration Monitoring An eagle's day today! We had a good number of Booted Eagles, 2 Lesser Spotted Eagles, some Short Toed Eagles and a juvenile Bonelli's Eagle! www.trektellen.nl/count/view/1697/20260918 Booted Eagles, Lesser Spotted Eagles-G.Kouthouridis

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Antikythera Bird Observatory @antikytherabirdobs.bsky.social · 18/09/2026

Autumn 2026 - Day #21 of Bird Ringing The nets kept us busy today, as we got the highest number of birds caught so far this season. Once again, the Willow Warbler was the most abundant species, followed by the Redstart. The day concluded with a total of 114 birds ringed across 19 sp.

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Antikythera Bird Observatory @antikytherabirdobs.bsky.social · 17/09/2026

Autumn 2026 Day #34 Raptor Migration Monitoring Strong winds continued today but we had a nice variety of raptors with 2 new Booted Eagles and the 2nd Goshawk of the season. 15 Marsh harriers were a nice surprise in the end! 👉 www.trektellen.nl/count/view/1697/20260917 📷 Booted Eagle - Aris Vouros

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Antikythera Bird Observatory @antikytherabirdobs.bsky.social · 16/09/2026

Autumn 2026 Day #33 Raptor Migration Monitoring No rain today but a few drops and strong winds from the NE. Few birds braved the crossing nearly all of them in the last hour of the count, a mixed flock of Marsh Harriers and Black Kites. www.trektellen.nl/count/view/1697/20260916 📷 G. Kouthouridis

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Antikythera Bird Observatory @antikytherabirdobs.bsky.social · 16/09/2026

Autumn 2026 - Day #19 of Bird Ringing Although it was windy, the weather conditions allowed us to open the nets. We caught a good number of birds & recorded a nice variety of sps. This time, the Nightjar was the most abundant species. The day concluded with a total of 78 birds ringed across 18 sps

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Antikythera Bird Observatory @antikytherabirdobs.bsky.social · 15/09/2026

Autumn 2026 Day #32 Raptor Migration Monitoring The bad weather interupted our count today. Despite the rain migrating raptors like Lesser Kestrels kept coming. www.trektellen.nl/count/view/1697/20260915 Montagu's Harrier, Egyptian Vulture, Lesser Kestrels- A.Vouros, G.Kouthouridis

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Antikythera Bird Observatory @antikytherabirdobs.bsky.social · 15/09/2026

Autumn 2026 - Day #18 of Bird Ringing The weather was not on our side today, and we had to close the nets. Despite this, we recorded a decent variety of species. Once again, the Willow Warbler was the most abundant species, and the day concluded with 52 birds ringed across 17 species.

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Antikythera Bird Observatory @antikytherabirdobs.bsky.social · 14/09/2026

Autumn 2026 Day #31 Raptor Migration Monitoring A weird day with strong E winds, low visibility and complete cloud cover. The first Egyptian Vulture arrived together with the 3rd Red Kite! www.trektellen.nl/count/view/1697/20260914 Egyptian Vulture, Red Kite & Honey Buzzard-A.Vouros, G.Kouthouridis

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Antikythera Bird Observatory @antikytherabirdobs.bsky.social · 14/09/2026

Autumn 2026 - Day #17 of Bird Ringing A better day than yesterday, with a decent variety of species. Once again, the Willow Warbler was the most abundant species, and the day ended with a total of 53 birds ringed across 15 species.

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Antikythera Bird Observatory @antikytherabirdobs.bsky.social · 13/09/2026

Autumn 2026 Day #30 Raptor Migration Monitoring Some decent migration in the first half of the day, with 2 Lesser Spotted Eagles and a Black Stork. After midday bird numbers dropped. www.trektellen.nl/count/view/1697/20260913 Booted Eagle, Lesser Spotted Eagle, Pernis sp.-G.Kouthouridis, A.Vouros

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Antikythera Bird Observatory @antikytherabirdobs.bsky.social · 13/09/2026

A slower day, but with a decent variety of species. We had the first Levant Sparrowhawk of the season in the nets. Once again, the Willow Warbler was the most abundant species, and the day concluded with 31 birds ringed across 13 sps.

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Antikythera Bird Observatory @antikytherabirdobs.bsky.social · 12/09/2026

Autumn 2026 - Day #15 of Bird Ringing Similar to yesterday, we had a good variety of sps & a decent no of birds. The day started, once again, with a large number of Nightjars. The Willow Warbler was the most abundant sps, and the day concluded with more than 64 birds ringed across 17 sps

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Antikythera Bird Observatory @antikytherabirdobs.bsky.social · 12/09/2026

Autumn 2026 Day #29 Raptor Migration Monitoring We had a nice count today with some small kettles of Honey Buzzards and the second Red Kite of the season, a raptor that we don't see so often. www.trektellen.nl/count/view/1697/20260912 Red Kite, Honey Buzzards-Aris Vouros

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Antikythera Bird Observatory @antikytherabirdobs.bsky.social · 11/09/2026

Autumn 2026 Day #28 Raptor Migration Monitoring A relatively slow day, but thankfully no wind today! 👉 www.trektellen.nl/count/view/1697/20260911 📷 Marsh Harrier (Circus aeruginosus), Aris Vouros

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Antikythera Bird Observatory @antikytherabirdobs.bsky.social · 11/09/2026

Autumn 2026 - Day #14 of Bird Ringing Another day with a good variety of sps & a decent no of birds. The day started, once again, with a large number of Nightjars. The Willow Warbler was the most abundant sps, and the day concluded with more than 55 birds ringed across 16 sps.

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Antikythera Bird Observatory @antikytherabirdobs.bsky.social · 10/09/2026

Day #27 Raptor Migration Monitoring Another day where we didn't have big numbers but species diversity was nice. The morning was slow and nearly all the birds arrived after midday. 👉 www.trektellen.nl/count/view/1697/20260910 📷 Montagu's Harrier (Circus pygargus), Aris Vouros

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Antikythera Bird Observatory @antikytherabirdobs.bsky.social · 10/09/2026

Autumn 2026 - Day #13 of Bird Ringing The day began with a record-breaking number of Nightjars, the highest total ever recorded at the Observatory during a single day. We then added 16 more sps, bringing the day's tally to nearly 60 birds in total. Daily totals: www.trektellen.nl/count/view/1...

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Antikythera Bird Observatory @antikytherabirdobs.bsky.social · 09/09/2026

Autumn 2026 Day #26 Raptor Migration Monitoring After yesterdays strong winds of up to 9 bf halted our observations, today we had some nice species variety. 👉 www.trektellen.nl/count/view/1697/20260909 📷 Booted Eagles (Hieraaetus pennatus), Goshawk (Astur gentilis), Black Kite (Milvus migrans),

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Antikythera Bird Observatory @antikytherabirdobs.bsky.social · 09/09/2026

Autumn 2026 - Day #12 of Bird Ringing After yesterday's pause due to strong winds, we came back today with some interesting catches. 21 birds across 13 sps, among them a nightjar, a wheatear and a rare sp for autumn migration, the red-rumped swallow! Daily totals: www.trektellen.org/count/view/1...

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Antikythera Bird Observatory @antikytherabirdobs.bsky.social · 07/09/2026

Autumn 2026 Day #24 Raptor Migration Monitoring Very strong gusts up to 8 bf today, but harriers didn't hesitate to cross the island. At least 3 Montagu's Harriers and some Marsh Harriers flew over us againt the wind. www.trektellen.nl/count/view/1697/20260907 Montagu's Harrier, Aris Vouros

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Antikythera Bird Observatory @antikytherabirdobs.bsky.social · 07/09/2026

Autumn 2026 - Day #10 of Bird Ringing While we put up our nets for the migratory birds, sometimes we have the luck to catch some local birds, like today's young common kestrel, that was probably born on Antikythera this summer. 27 birds across 12 sps. Daily totals: www.trektellen.org/count/view/1...

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Antikythera Bird Observatory @antikytherabirdobs.bsky.social · 06/09/2026

Autumn 2026 Day #23 Raptor Migration Monitoring Today's good weather conditions brought us nice kettles of Honey Buzzards, some Black Kites and the second Short-toed Snake Eagle of our season. www.trektellen.nl/count/view/1697/20260906 Black Kite, Short-toed Snake Eagle - Giorgos Kouthouridis

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Antikythera Bird Observatory @antikytherabirdobs.bsky.social · 06/09/2026

Autumn 2026 - Day #9 of Bird Ringing 43 birds across 10 sps, with half of them being willow warblers. We got our first eastern olivaceous warbler and a beautiful male redstart. Daily totals: www.trektellen.org/count/view/1...

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Antikythera Bird Observatory @antikytherabirdobs.bsky.social · 05/09/2026

Autumn 2026 Day #22 Raptor Migration Monitoring The day ended with 2 new species for our season. Despite the slow morning we had a wonderful afternoon with an adult Red Kite & a juvenile Goshawk. www.trektellen.nl/count/view/1697/20260905 Red Kite, Goshawk - Aris Vouros, Giorgos Kouthouridis

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Antikythera Bird Observatory @antikytherabirdobs.bsky.social · 05/09/2026

Autumn 2026 - Day #8 of Bird Ringing Quite a windy day but we got 32 birds across 14 sps with the most abundant one being the willow warbler. The first turtle dove of the season was the bird of the day! Daily totals: www.trektellen.org/count/view/1...

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Antikythera Bird Observatory @antikytherabirdobs.bsky.social · 04/09/2026

Autumn 2026 Day #21 Raptor Migration Monitoring Marsh Harriers are increasing in numbers as we expected and today we saw birds from all ages & sexes. 👉 www.trektellen.nl/count/view/1697/20260904 📷 Marsh Harrier (Circus aeruginosus) - Aris Vouros

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Antikythera Bird Observatory @antikytherabirdobs.bsky.social · 04/09/2026

Autumn 2026 - Day #7 of Bird Ringing A nice day with 30 birds across 10 sps. Bird of the day: an adult male golden oriole. Daily Totals: www.trektellen.org/count/view/1...

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Antikythera Bird Observatory @antikytherabirdobs.bsky.social · 03/09/2026

Autumn 2026 Day #20 Raptor Migration Monitoring We started with a slow morning today but we had a full afternoon. A decent group of Honey Buzzards, some Marsh Harriers during the last hours and a few Black Kites. www.trektellen.nl/count/view/1697/20260903 Honey Buzzards, Marsh Harrier - Aris Vouros

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Antikythera Bird Observatory @antikytherabirdobs.bsky.social · 03/09/2026

Autumn 2026 - Day #6 of Bird Ringing The variety of species made the day feel like spring. 42 birds across 17 sps, with the most interesting catches for today being a cuckoo, an ortolan bunting, three yellow wagtails and a lesser grey shrike. Daily totals: www.trektellen.org/count/view/1...

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Antikythera Bird Observatory @antikytherabirdobs.bsky.social · 02/09/2026

Autumn 2026 Day #19 Raptor Migration Monitoring Still some adults Honey Buzzards are passing, Marsh Harriers are increasing in numbers and also 2 juvenile Pallid Harrier getting mobbed by the local Eleonora's Falcons. www.trektellen.nl/count/view/1697/20260902 Pallid Harrier (Circus macrourus)

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Antikythera Bird Observatory @antikytherabirdobs.bsky.social · 02/09/2026

Autumn 2026 - Day #5 of Bird Ringing A slow but interesting day with 17 birds across 9 sps. We had our first pied flycatcher and marsh warbler of the season. Daily totals: www.trektellen.org/count/view/1...

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Antikythera Bird Observatory @antikytherabirdobs.bsky.social · 01/09/2026

Autumn 2026 Day #18 Raptor Migration Monitoring During migration the same thermal may be used by different species such as these juveniles, a Pallid Harrier and a Black Kite. 👉 www.trektellen.nl/count/view/1697/20260901 📷 Pallid Harrier & Black Kite (Circus macrourus & Milvus migrans) Aris Vouros

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