Juvenile dispersal of Saker Falcons in Ukraine according satellite telemetry

Prommer, M. and Milobog, Yu. and Gavrilyuk, M. and Vetrov, V. (2014) Juvenile dispersal of Saker Falcons in Ukraine according satellite telemetry. Вісник Черкаського університету. Серія Біологічні науки (Вип.36). pp. 129-134.

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Abstract

Saker Falcon (Falco cherrug) is a partial migrant species. The data of its migration on the territory of Ukraine have been limited so far. In 2011 in the south of Ukraine 8 juvenile Saker Falcons were fitted with satellite transmitters. For this 22g solar ARGOS/GPS PTTs-100 transmitters were used. Two males stopped sending signals within a few days after tagging. After leaving their eyries young birds left nesting territory in 30-64 days (on average - 44). Juvenile dispersal of different birds began in a period between July, 8 to August, 5 (on average – July, 23). During the first dispersal the birds flew east and northeast from the natal eyrie. These movements were up to several hundred kilometers and lasted from 2 to 10 days, after which the birds returned to the place of temporary settlement located in the Crimea. In one case their placing coincided with the nesting territory, in the other four cases they situated in 20-290 km. In August a juvenile male roamed from the Crimea to Cyprus. Of the three birds that lived up to winter all three spent the winter at the previously selected areas not showing migratory behaviour. In June a one-year-old juvenile male headed northeast to the western Kazakhstan, about 400 km north of the Caspian Sea, and in two months returned to the Crimea.

Item Type: Article
Uncontrolled Keywords: Saker Falcon ; migration ; satellite tracking ; Ukraine
Subjects: Біологічні науки
Divisions: Навчально-науковий інститут природничих наук
Depositing User: Наукова Бібліотека
Date Deposited: 13 Jan 2020 09:13
Last Modified: 13 Jan 2020 09:17
URI: http://eprints.cdu.edu.ua/id/eprint/1924

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