Use physical barriers like mesh, wire, or by sealing holes and cracks to prevent birds from building nests in unwanted spots.

Woodpeckers: The Hole Story pecks ... making their home inside a giant cactus in the middle of the desert, and acorn woodpeckers “tattooing” their home tree by drilling thousands of acorns ...

Is Vostok Island a black hole in the Pacific Ocean ... certain type of forest that can fatally trap birds like a huge, sticky net. The pisonia tree grows in close copses at heights up to 30 ...