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.

Critics pooh-pooh use of spikes in trees to protect cars from

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Bird sculptures installed in Somerset nature reserve - BBC News

Black-winged stilt breeds in Kent marsh due to climate change

The village with a big bird poo problem - BBC Newsround

Spikes on trees in Oxford to 'stop bird poo

Pitcher plant problems? Maybe it wants some poop. yes, I said

King of the pigeon spike defends their use on trees to protect

Pro Landscaper June 2015 by Eljays44 - Issuu

Crow filmed removing bird spikes from its perch on building

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