> ## Content Index
> Fetch the complete content index at: https://www.cascadepbs.org/llms.txt
> Use this file to discover other available public pages before exploring further.

# Building for Birds | WILD HOPE
- URL: https://www.cascadepbs.org/show/nature/specials/building-for-birds-wild-hope-q2jpps/
- Published: 2025-03-31T16:45:54.000Z
- Updated: 2026-03-07T04:02:22.000Z
- Description: Millions of migrating birds pass through our yards, but glass windows pose a deadly threat.
- Author: Cascade PBS Staff
- Tags: Nature, #ZZZ_Show_1b3b1a16-4d15-417c-9287-bc59a89e1201, #geo-us, #v1.7, #ZZZ_Special_a2f0a218-7b3a-425e-8bf6-66c35450ad54, #special

Millions of birds pass through our yards during their bi-annual migrations, but they face an invisible killer along the way: glass windows. In the US alone, an estimated one billion birds die each year when they collide with windows. Now, two organizations help pave the way to a bird-friendly future.