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

Clever Corvids! Ironic.
Birds using 'anti bird spikes' for their nests
Birds have learned to use 'anti-bird' spikes to build their nests
Clever Corvids! Ironic.