I've recently binge watched Attenborough's documentaries and I came across this one https://www.youtube.com/watch?v=GPbWJPsBPdA https://www.youtube.com/watch?v

I've recently binge watched Attenborough's documentaries and I came across this one https://www.youtube.com/watch?v=GPbWJPsBPdA https://www.youtube.com/watch?v=GPbWJPsBPdA These birds spending a ridiculous amount of time building intricate monuments. They are picky about colors and styles and one specie builds very specific structures. Birds just have so much free time.