One of a pair that sometimes are seen in the chine can always tell them from their silent flight.
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I associate the flight of Jays in local woodland with the most blood-curdling screeching you can imagine!! They can be quiet, too, though...I agree.
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Oh yes, they can be very noisy; enough to make many of the other birds keep out of the way.
Lat/Lng: 50.7207703, -1.8477415
OS grid ref: SZ108912