Some birds are using antibird spikes to build their nests

Birds Are Using Anti-bird Spikes to Build Nests - The Atlantic

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

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Some birds are using antibird spikes to build their nests

Pigeon spikes nest hi-res stock photography and images - Alamy

Helping Nesting Birds in the UK, Wildlife, bird nest

They're Outsmarting Us': Birds Build Nests from Anti-Bird Spikes - The New York Times

They're Outsmarting Us': Birds Build Nests from Anti-Bird Spikes - The New York Times

Cities Use Spikes to Keep Birds Away. Birds Are Using Them in Nests

Bird Nest Tree Images – Browse 146,042 Stock Photos, Vectors, and Video, bird nest

Snobs mocked for installing 'anti-bird' spikes on trees