All day only c7 House Martins over the Wilsden colony but tonight 2015hr there are many many again. I think for the moment I will go with the theory that they are spreading out and moving further to feed during the day? What are others finding?
Dave
THE VISIBLE MIGRATION / MOVEMENT OF BIRDS OVER BRADFORD (UK) AND SURROUNDING AREAS WITH SPECIAL EMPHASIS ON WEATHER AND SKY. NOW Including:
"OXENHOPE HOLISTIC SKY"!
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