Why is That Bird .....?

A bird is flying into, or pecking at, my window

It's probably a case of mistaken identity. The bird sees it's own reflection and perceives the "other bird" is a competitor. The bird is attempting to drive away the "intruder" by attacking the window.

During breeding season, songbird hormone levels rise, making them more territorial and defensive of  their territory. They attack other birds to protect their mates, food and nesting/roosting sites. This behavior will increase their chances of successfully raising a family.

What can I do?

• Decrease the reflectivity of your windows. Consider using soap or other water-soluable solutions on the outside of your window. Shades or other interior window covers don't change the window's reflection;
• Break up the reflection by hanging a decorative window film over the window, or by using one-inch wide tape or ribbon to create vertical stripes every four inches on the outside the window;
• Create a physical barrier - put a screen or fine-mesh netting over the window;