Sunday, 29 September 2019

Visible Migration - House Martins

A day of almost full cloud with frequent rain showers.  The occasional brighter spell threatened, only to cloud over again.  The wind was a fresh westerly.
Whilst birding near Hockham I became aware of House Martins appearing in the gloomy sky, with some birds clearly taking insects whilst others passed through south.  Eventually, all House Martins (40+) seen moved on south leaving empty skies (0900).  

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