This video from Britain says about itself:
BTO Bird ID – Ring Ouzel and Blackbird
13 April 2012
With Ring Ouzel migration about to reach its peak this wonderful thrush can turn up almost anywhere. Check out the latest identification video to help separate this species from Blackbird, both on the ground, in flight and by song.
Translated from the Dutch SOVON ornithologists, 18 October 2014:
The past few days strikingly many ring ouzels were reported at the site trektellen.nl. On 13, 14 and 15 October at bird migration counting sites more than 500 were seen. Especially the east of the Netherlands was well endowed. The ring ouzels flew along in the large flow of redwings and other thrushes, which earlier this week migrated massively.
From Scotland to Algeria: Geolocators reveal migration of Ring Ouzel (Turdus torquatus): here.
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