BTO migration blog

Spring and autumn are exciting times for anyone who watches birds. Here on this blog we will make predictions about when to expect migrant arrivals and departures, so that you know when and where to see these well-travelled birds.

Monday, 13 March 2017

Redwings at night!

Last night saw a major movement of Redwing in eastern England. Several hundred birds were counted in under an hour from 10pm onwards in Thetford, Norfolk. With few reports from anywhere west of Cambridge, it looks like a band of cloud with some very light drizzle may have concentrated birds that were already on the move.

BirdTrack reporting rate for Redwing
Observers also noted small groups of Fieldfare, Snipe and Song Thrush, as well as less expected species in the form of Teal, Wigeon and even Coot passing overhead in the dark. With similar conditions forecast for this evening and the rest of this week, it is well worth having a listen after sunset for Redwing on the move.

Redwing by John Harding
If you are not familiar with the flight calls of Redwing, here is a good example:

Fieldfare call:

Later this week could see another movement of migrants, with southerly winds on Wednesday likely to help birds move across the Channel. Some more unusual arrivals could well put in an appearance, perhaps more Alpine Swifts after last weeks sightings?

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