Bird nests made from anti-bird spikes! 🤯 Even for me as a nest researcher, these are the craziest bird nests I've ever seen. Today my paper came out on this rebellious behaviour. And it's like telling a joke...

A thread. 🧵

Ever heard of 'evil architecture'? 👿 Take for example benches that cannot be slept on, pins to prevent skateboarding or anti-homeless spikes. Here we talk about the avian equivalent: anti-bird spikes. Nasty metal spikes to stop birds from perching or nesting.