Migratory departures of Robins during spring migration at Skagen, Denmark

Kasper Thorup*, Kathrine R.S. Snell, Mikkel F. Mortensen, Fanny Rey, Sara Nørris Christoffersen, Thea Loumand Faddersbøll, Natasha Lizette Lundt, Emilie Nørgaard Madsen, Karen Ankersen Sønnichsen, Katrine Wagner Thiessen , Dan Bruhn, Cino Pertoldi, Anders Tøttrup, Simon S. Christiansen

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Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

Abstract

SUMMARY: We tracked departures of European Robins Erithacus rubecula stopping over during spring migration at Skagen, Denmark, and facing a sea crossing of more than 50 km. The Robins stopped over on average for 3.8 days (range 1–14 days, n = 15) with departure days being slightly warmer than stopover days (1.5°C warmer, P = 0.003). Departures were concentrated in the evening, on average during astronomical twilight, and toward the northeast (µ = 33.3°, r = 0.499, P = 0.021). The mean northeasterly departure direction is close to the standard migration direction. Most birds probably crossed the sea to Sweden and we observed no obvious reversed departure directions.

OriginalsprogEngelsk
TidsskriftRinging & Migration
Vol/bind38
Udgave nummer1-2
Sider (fra-til)1-8
Antal sider8
DOI
StatusUdgivet - 2023

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