Literature type: General
Volume: 2021 , Pages: 24-31
Language: Finnish in Finnish with English summaryDownload:
Full reference: Tolvanen, P., Karvonen R., Aarvak T, Øien I.J., Kaartinen, R., Lampila P. & Mikander, N. 2022. Kolmenumeroisiin yksilömääriin – kiljuhanhen suojelu 2015–2021. [Conservation of the Lesser White-fronted Goose Anser erythropus in 2015-2021.], Linnut-vuosikirja: 2021, 24-31
Keywords: Finland, trend, numbers, conservation, gsm-telemetry, migration routes
The critically endangered Fennoscandian Lesser White-fronted Goose Anser erythropus population is currently estimated to number roughly 100 individuals. Following a dramatic long-term decline to only some 10 breeding pairs in 2007–2008, the population has since slowly been increasing. The spring staging of the population on the Finnish Bothnian Bay coast has been monitored by the WWF Finland Lesser White-fronted Goose conservation project since 1985. In spring 2017, 124 individuals were counted, which was the highest number during the history of the monitoring. The Bothnian Bay coast was historically also an important autumn staging area and since 2020, the geese have again been staging in the area also during autumn migration. Breeding of the species has not been recorded in Finland since 1995, but the likelihood of locating breeding pairs again in Finnish Lapland is considered to be increasing, as the Norwegian breeding population is growing. As a part of the current international Lesser White-fronted Goose EU LIFE project (wwf.fi/lwfg), environmental DNA is being used to map potential breeding sites in Finland.
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