The spikes were meant to keep birds away. But five corvid nests in Europe use the bird-deterrents as structural support and to ward off predators.
They're Outsmarting Us': Birds Build Nests from Anti-Bird Spikes - The New York Times
Bird-X 10 ft. Original Extra-Wide Stainless Steel Bird Spikes Bird Control EWS-10 - The Home Depot
What Is the Best Bird Deterrent In 2024?
The Dos and Donts of Bird Nest Removal
Genius birds are using anti-bird spikes to create their nests
Pigeon spikes nest hi-res stock photography and images - Alamy
Why these Crows are using Anti-bird Spikes to Build their Nests
Bird control spike - Wikipedia
In a clever move that researchers are calling the “ultimate adaptation to city life,” birds are now stealing anti-bird spikes to buil
How to build a magpie nest using anti-bird spikes - Quora
Sam Rycken on LinkedIn: I've come across some amazing Magpie nests here in Australia! Just…
Cheeky magpies make nests out of anti-bird spikes - Wales Online
Protect your Property with Anti-Roosting Bird Spikes
Birds get revenge by using anti-bird spikes in nests