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Research of the Eagles migration in the Southern Siberia in 2013

Zava, the Greater Spotted Eagle (Aquila clanga).

Директор компании AQUILA, производящей GPS/GSM трансмиттеры, Кордиан Бартошук с большим подорликом, помеченным в Завьяловском заказнике. Фото И. КарякинаOn 18th July 2013 a female Greater Spotted Eagle, who grew up in one of the nests under the long-term observation of ornithologists in the Zavyalovsky Reserve in Altai Krai, was fitted with a GSM/GPS data logger (known popularly as a ‘transmitter’). The transmitter for the eagle was provided free of charge by the company Aquila. The manufacture of these transmitters and the expedition took place thanks to the support of the Russian Geographical Society and GGF (Global Greengrants Fund).

On 30th July Zava fled her nest and remained within 500m of her nesting site at the edge of a marsh until 2nd August. Zava spent the 10 days between 11th- 21st August by the lake on the edge of the marshland and at a hayfield 900 m from her nest (see map >>>).

On 8th September Zava was still at the nesting site, having expanded her roaming area to 1 square km.

From 8th September Zava began her migration.

In one day she flew 157km to the Malinovy lake system, spending half a day on 9th September on the marshland near Lake Rublyovo.

From 10th-11th September Zava crossed two more coniferous forest belts and on the morning of 11th September finally left the forests, crossed the River Irtysh and continued further south.

On the morning of 12th September Zava had already reached the area of granite massifs in the centre of the East Kazakhstan Province.
Маршрут Завы 8-12 сентября 2013 г.
On the morning of 15th September Zava left Eastern Kazakhstan and crossed Lake Balkhash.
Маршрут Завы 12-15 сентября 2013 г.
On the morning of 16th September Zava was at the Kapchagay Reservoir
Маршрут Завы 14-16 сентября 2013 г.
After spending the night on the floodplain of the river Chilik around 2 km north of the village of the same name, on the morning of 17th September Zava skirted around Chilik (currently called ‘Shelek’) in the direction of the Kuldzhinskiy road. It should be noted that Spotted Eagles regularly rest in the forests along this route during spring migration. It is possible Zava will continue to fly further along this path
Маршрут Завы 16-17 сентября 2013 г.
So, on 17th September Zava, having rounded Chilik, set off south straight to the Trans-Ili Alatau mountain range, crossed its initial ridges, passed over the Assy Plateau and turned west over the Chilik Valley towards the mountain knot (intersection of mountain ridges). Passing the mountain knot directly above the Mashkovtseva Glacier, Zava spent the night in the Chon-Kemin Valley just 100 m from the descent down to the valley of the Almaty mountain track. On this day Zava flew 160 extremely difficult kilometres. On 18th September Zava left Kazakhstan and from that morning on continued through Kyrgyzstan, rounding the Issyk-Kul basin from the west and crossing the Kochkor Valley. The last signal was received from a gorge 6 km south-west of Tuz where Zava probably stopped for the night. On this day Zava flew another 163 km. From the forests of the Irtysh, Zava has moved fairly steadily in a southerly direction, covering on average 150-160 km a day without any long stoppages.
Маршрут Завы 17-18 сентября 2013 г.
On 19th September having rounded Issyk-Kul, Zava set off south and stopped overnight in the very south of Kyrgyzstan 9 km south-east of Lake Chatyr-Kul.
On the morning of 20th September Zava left Kyrgyzstan and continued further south, already in Chinese territory. The last signal on the morning of 20th September was sent from Kashgar- Zava traversed the Kashgar Valley and rested in the shadow of the Kunlun Mountains (see photo)

Маршрут Завы 19-20 сентября 2013 г.
On 20th September Zava stopped in Kashgar, after picking out a small valley in the mountains (see photo), and on 21st September, having rounded the large ice region to the north-west of the Kunluns (see photo), she moved in the direction of the largest ice region in the Karakorams. After spending the night in the Yarkand Valley (see photo), on 22nd September Zava flew over the border of China and Pakistan across the glaciers of the upper reaches of the Shaksgam Valley between Skamri Sar (6745 m) and Karpogo Sar I (7038 m) 38 km west of one of the most famous Karakoram peaks- Chhogori or K2 (see photo). ). On 23rd September Zava crossed the territory of Kashmir, which is controlled by Pakistan. On 24th she crossed the Kashmir territory, which is under Indian control and stopped for the night in a river valley not far from the village of Chattiar (see photo and map). On 25th September Zava once again crossed the border between India and Pakistan and stopped in the valley of the Jhelum River (see photo), having travelled 92 km that day.
Маршрут Завы 20-26 сентября 2013 г.
On 27-28th September Zava remained in a small area of the Jhelum floodplain, 110 km south-east of Islamabad (Pakistan). It is possible she will stay here for the winter.
Маршрут Завы 8-28 сентября 2013 г.
On 29th September Zava moved 65 km south and on 30th stuck to fields along the banks of a canal in Northern Hafizabad.
Маршрут Завы 29-30 сентября 2013 г.
Zava spent 2 days in the fields along the canal in Northern Hafizabad (see photo >>>): from 30th September-1st October she familiarised herself with the area to the north of the canal (see map >>>)>>>), then moved to explore fields to the south where she spent the night of 1st October (see map >>>). From 2nd October Zava started to fly round in a wide arc from the west. The last signal on 3rd October was received from a point 5 km to the north-west of Khanqah Dogran, a small inhabited area 70 km north-west of Lahore. Here Zava again stopped in some fields (see photo >>>).
Маршрут Завы 30 сентября - 3 октября 2013 г., кругом обведен район полей вдоль канала, где орлица провела 2 дня.
For a week Zava then flew around Hafizabad. Having flown over fields to the south of Hafizabad she decided that the fields to the north were better and once again rounded Hafizabad from the west before returning to the fields over which she flew on 29-30th September.
Район перемещений Завы: 29 сентября - 8 октября 2013 г.
For the whole of October and the start of November Zava wintered to the north of Hafizabad, not venturing very far into her surroundings, sleeping in one favoured spot and gathering food in the neighbouring fields.
Район зимовки Завы с начал октября до 10 ноября 2013 г. включительно
On 16th November Zava grew tired of the environs of Hafizabad and shot off south. Having flown 35 km and spent the night near Masanda, on 17th November she flew on, passing over Sheikhupura and Pattoki before stopping for the night in fields 4.5 km from Allahabad, completing a day’s journey of 112 km. On 18th November Zava left Pakistan and, having flown another 134 km in a day, was already in India when she rested near Hirnavali (10 km north of Hanumangarh). On 19th November flew 138 km and stopped overnight near Rangeyzar – already in the desert regions of Northern Rajasthan (see map >>>). On 20th November Zava covered another 129 km and spent the night near Didvan, and on 21st November after a 152 km journey, reached Nimbola (see map >>>). On 22nd November Zava flew another 220 km, leaving behind Rajasthan’s desert regions and stopping for the night near Chak-Dzheran (a neighbourhood of Dzhundzhani). On 23rd November Zava continued to move south. As of 23rd November Zava’s entire route measured 3797 km.
Маршрут Завы с 16 по 23 ноября 2013 г.
After skirting the Thar Desert on its eastern side, flying over the narrow region to the north and continuing further south and when she had nearly reached estuaries formed by the Indus and other rivers flowing down from the Aravalli Mountains, Zava did not fly to the sea despite the fact she was just 218 km from the Arabian Sea (389 km from the Indus River Delta). Spending the night from 23rd to 24th November at the southern edge of the Thar Desert in the lower reaches of the River Luna not far from the border between India and Pakistan, Zava performed a ‘loop’ and set off in a south-easterly direction (see map >>>). On 25th November Zava passed Northern Palanpur and spent the night in the mountains near Derichardy. On 26th November Zava entered the territory of Southern Rajasthan and spent the night in a fairly densely populated area between Bambala and Gati after a day’s flight of 67.5 km (see map >>>). On 27th November Zava covered 77 km and rested near Tikarian. On 28th November she headed sharply south and left Rajasthan, reaching Navagam (Gujarat) after 115 km of travel. Then, on 29th November Zava continued in a southerly direction, leaving Gujarat, and when she stopped for the night was already in Madhya Pradesh having covered 98 km that day. On 30th November Zava entered Maharashtra after a 104 km flight. Her greatest movements were along the massif on the border of Maharashtra and Madhya Pradesh (see map >>>): on 1st December Zava covered 95 km, but on 2nd December between Pachori and Ambabarva she turned sharply southwards, flying 105 km that day. Zava spent the night of 3-4th December near Irala having travelled 83 km. The last signal on 4th December was received from the Hanuman-Nagar region. As of 4th December Zava’s route measured 4936 km.
Маршрут Завы с 23 ноября по 4 декабря 2013 г.
From 14th to 30th December Zava wintered near the reservoir on the Gadavari river near Nizamabad.
Перемещения Завы с 4 по 30 декабря 2013 г.
We will continue to monitor the movements of Zava. A discussion is available on the forum >>>

Translation by Sam Winslow

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