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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In times like these, it's necessary to talk about trees
Birds get revenge by using anti-bird spikes in nests
News Links – 2020 Tree and Neighbor Law For Homeowners and
The Corona Diaries Blog — McKeesport Community Newsroom
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Fury over 'ridiculous' spikes on trees to 'stop birds pooing on
King of the pigeon spike defends their use on trees to protect
In times like these, it's necessary to talk about trees
Fury over anti-bird spikes installed on trees 'to protect cars
Fury over anti-bird spikes installed on trees 'to protect cars
Spikes on trees in Oxford to 'stop bird poo
Bird sculptures installed in Somerset nature reserve - BBC News
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Rare spoon-billed sandpiper chicks hatched in captivity - BBC News