Abstract
White-spotted Bluethroat Luscinia svecica cyanecula is the latest addition to the Swedish bird fauna, with the first breeding in Scania in 2015. There were only three records on the Swedish West Coast north of Scania through 2016 and the first breeding was reported in 2018. Censuses performed in 2020 and 2021 revealed 12 and 17 singing males, respectively. Out of 39 singing males 2017–2021, 36 were found in Halland. Most birds were found in coastal wetlands with reedbeds, to which they arrived mainly in April. Nine males represented breeding pairs and second clutches were later observed for four breeding pairs. The Swedish expansion should be seen in the context of Danish immigration in combination with a large-scale advance via the Netherlands and Germany. The White-spotted Bluethroat belongs to those range-expanding taxa that are expected to increase due to warmer climate. As there is plenty of appropriate habitats, not least rapeseed fields, the conditions favour a continued range expansion in southern Sweden.
Highlights
Vitstjärnig blåhake Luscinia svecica cyanecula utgör en underart av blåhake och är det senaste tillskottet i den svenska fågelfaunan
WHITE-SPOTTED BLUETHROAT Luscinia svecica cyanecula is the latest addition to the Swedish bird fauna, with the first breeding in Scania in 2015
The White-spotted Bluethroat belongs to those range-expanding taxa that are expected to increase due to warmer climate
Summary
WHITE-SPOTTED BLUETHROAT Luscinia svecica cyanecula is the latest addition to the Swedish bird fauna, with the first breeding in Scania in 2015. ANDERSSON (2022) | IMMIGR ATION PROCESS OF WHITE-SPOT TED BLUETHROAT IN WESTERN SWEDEN | ORNIS SVECICA 32: 5–13 förknippas med klimatförändringen och som förväntas öka i utbredning enligt prognoser för den framtida fågelfaunan Det rörde sig om en sjungande hanne vid Kålelund, Ölmevalla 11–12 maj 2006 och ett ringmärkt exemplar på ön Nidingen 15 maj 2009 (https://birdlife.se/rk/ raritetskatalogen). Där uppehöll sig minst tre permanenta revirhävdande hannar och åtminstone några honor, som vid flera tillfällen sågs med föda i näbben vid troliga bobesök (Klinteroth 2015, 2021). — One of the nine breeding females of White-spotted Bluethroat Luscinia svecica cyanecula observed in Törlan, Björkäng, 30 May 2020. Resultatet är avsett att ligga till grund för framtida uppföljningar av artens populationsutveckling
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