SKIERKA
24.09.2026[/color][/b]
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PIC
I will uploading morning
SKIERKA is back at her second home in Greece! 
Thanks to data from the telemetry transmitter carried by adult female Black Stork [#Skierka], we can analyse every kilometre of her autumn migration in detail.
Here are the most interesting facts and digital records from her autumn migration this year:
1. A big “refuelling stop” in the Barycz Valley
Before starting her long journey south, Skierka made a 143 km jump to the south-east on 24 July, travelling to the Barycz Valley. She spent as many as 27 days at the Milicz Ponds, feeding intensively. The fish in the ponds allowed her to build up the fat reserves needed to cross the mountains and other difficult areas.
2. Start and a record speed of 93 km/h!
The actual migration started on the morning of 20 August. Skierka crossed Silesia, the Czech Republic and Slovakia, and reached Hungary after only three days. She was there, at midday on 22 August, over the Tisza Basin, that she caught ideal winds and reached a record speed of 93 km/h, at an altitude of 1,168 metres above sea level!
3. 41°C on the thermometer and 23 days in Hungary
This year's migration took place during a period of extreme heat in Central and Eastern Europe. In the afternoons, the sensor on Skierka's back recorded temperatures as high as 41°C! Black Storks are very sensitive to the drying up of feeding areas, so Skierka followed a route along large rivers. She stayed in Hungary for 23 days, including Hortobágy National Park, Lake Tisza and the Körös River, where she had plenty of water and abundant food.
4. Sky-high “air conditioning”: 2,703 metres above sea level over the Balkans
The heat also had one positive effect – it created powerful thermal updrafts. On 17 September, while crossing the mountainous areas of Serbia, Skierka reached an absolute altitude record of 2,703 metres above sea level, using thermal currents.
Interestingly, while the temperature near the ground was around 25–28°C, at an altitude of 2.7 km it dropped to a refreshing 11°C. By flying so high, the bird was literally cooling her body!
5. A safe haven in Greece
On the afternoon of 18 September, after flying across Bulgaria, Skierka reached her regular wintering area – the valley of the Struma River and Lake Kerkini in Greece.
Her entire journey took 30 days, including only 7 days of active flight and 23 days of resting and feeding.
She has now reduced her daily movements to just 1–3 km. She is resting and feeding in the Greek wetlands.
Let's keep our fingers crossed for Skierka and wish her a safe winter in Greece!
1. A big “refuelling stop” in the Barycz Valley
2. Start and a record speed of 93 km/h!
3. 41°C on the thermometer and 23 days in Hungary
4. Sky-high “air conditioning”: 2,703 metres above sea level over the Balkans
