Spikes on trees in Oxford to 'stop bird poo' - BBC News

A wildlife campaigner says he believes the spikes are to stop birds from messing on cars.

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Thousands oppose anti-pigeon spikes in Bristol trees - BBC News

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Outrage over anti-pigeon spikes fitted to TREES to stop birds

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In times like these, it's necessary to talk about trees

Fury over 'ridiculous' spikes on trees to 'stop birds pooing on

Fury over 'ridiculous' spikes on trees to 'stop birds pooing on

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