Bird–window collisions

High school (ages 12+)
Environment & Earth

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/bird-window-collisions

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the estimated annual bird deaths (USA)?Exceeding 1 billion (based on 2024 study)
2. What is the ecological impact?Disruption of ecosystem services like seed dispersal, pollination, and pest control
3. Why do birds hit windows?Birds see clear glass as open sky or trees, so they think they can fly through it. The glass looks like a path, but it’s actually a solid barrier.
4. How many birds die from windows each year?A 2024 study says more than one billion birds die in the U.S. every year. In Canada, about 16 to 42 million birds are lost each year.

Anthropogenic threat: A danger or problem caused by human activities.
Avian populations: Groups of birds living in a particular area.
Fritted glass: Glass treated with ceramic frit, often applied as dots or lines to make it visible to birds.