Natural-material bricks aim to give urban birds alternatives to nesting with trash

Just now October 2, 2026 1 min read 📰 Phys.org

📋 Key Takeaway

A global study in 2023 revealed that birds are increasingly using human trash to build their nests, with 176 species affected. This issue highlights the environmental impact of waste on wildlife. For Iran, which faces significant environmental challenges, this underscores the need for better waste management practices.

It's spring, and Australian birds are building their nests. But with what? Alongside grass and twigs, birds are collecting our trash. In 2023, a global study found litter in the nests of 176 different bird species, with common culprits including cigarette butts, plastic bags and fishing nets.