What are the effects of bird strikes on thin aluminum outdoor sculpture elements?

Bird strikes can have significant effects on thin aluminum outdoor sculpture elements, both structurally and aesthetically. Aluminum, while lightweight and corrosion-resistant, is relatively soft and prone to denting or deformation upon impact. Frequent bird collisions can cause visible damage, such as dents, scratches, or even bending, compromising the sculpture's integrity over time.

Beyond physical harm, bird droppings can accelerate corrosion, particularly if the protective coating is damaged. Additionally, repeated strikes may loosen joints or fasteners, increasing maintenance costs. To mitigate these issues, artists and installers can use deterrents like reflective surfaces or strategic placement away from high bird-traffic areas. Understanding these risks helps preserve public art while minimizing harm to wildlife.