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Published on: September 4, 2016
Drought in Africa caused delayed arrival of European songbirds
A P Tøttrup1, R H G Klaassen, M W Kristensen
1Center for Macroecology, Evolution, and Climate, University of Copenhagen, Universitetsparken 15, DK-2100 Copenhagen, Denmark. aptottrup@bio.ku.dk
Abstract:
Despite an overall advancement in breeding area arrival, one of the latest spring arrivals in northwest Europe since 1950 of several trans-Saharan songbird species occurred in 2011. Year-round tracking of red-backed shrikes and thrush nightingales revealed that the cause of the delay was a prolongation of stopover time during spring migration at the Horn of Africa, which was affected by extreme drought. Our results help to establish a direct link at the individual level between changes in local climate during migration and arrival and breeding condition in Europe thousands of kilometers further north.
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