Birds Are Using Anti-Bird Spikes to Build Nests, Research Finds

Researchers studied four bird nests from European cities — built by carrion crows and Eurasian magpies — made out of anti-bird spikes and strips usually found on urban buildings

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Crows and magpies are using anti-bird spikes to build nests

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European Birds Have Been Using Anti-Bird Spikes To Make Nests

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Urban birds adapt: Magpies use anti-bird spikes to build nests