Birds using 'anti bird spikes' for their nests
Birds using 'anti bird spikes' for their nests
news.sky.com Birds have learned to use 'anti-bird' spikes to build their nests
Birds are stealing the spikes designed to stop them nesting on buildings and using them to build their own nests - behaviour researchers describe as the "ultimate adaptation" to city life.
![Birds have learned to use 'anti-bird' spikes to build their nests](https://lemmy.ca/pictrs/image/b4be695a-3caa-4d2c-92c9-c6369a258b5b.jpeg?format=webp&thumbnail=256)
Clever Corvids! Ironic.
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