Draft:Chicago Bird Collision Monitors

Chicago Bird Collision Monitors
Founder	Robbie Hunsinger
Type	Bird conservation
Tax ID no.	87-3419032
Legal status	501(c)(3)
Focus	Bird–window collisions
Location	Chicago, Illinois, United States;
Director	Annette Prince

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Last edited by CommonsDelinker (talk | contribs) 21 days ago. (Update)

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Comment: In accordance with Wikipedia's Conflict of interest policy, I disclose that I have a conflict of interest regarding the subject of this article. Dan Leonard (talk • contribs) 19:53, 21 October 2025 (UTC)

Chicago Bird Collision Monitors (CBCM) is a non-profit volunteer organization in the field of bird conservation in and around Chicagoland. The organization is primarily focused on bird–window collisions, rescuing injured birds after collisions and salvaging dead ones for research.

Activities

Chicago is...^[1]

Collision monitoring

Architectural activism

Light pollution is a particularly...^[2]

References

↑ Horton et al. (2019), p. 213: "An important step in this direction is identifying where the highest numbers of birds are exposed to the highest amounts of ALAN. Here we have shown where the greatest threats exist, and how these threats vary seasonally. The combination of large amounts of nocturnal illumination and their location in the most trafficked airspace across the US elevate metropolitan Chicago, Houston, and Dallas to the top of the exposure risk ranking."
↑
- Longcore & Rich (2004), p. 193: "Large numbers of nocturnally migrating birds are therefore affected when meteorological conditions bring them close to lights, for instance, during inclement weather or late at night when they tend to fly lower."
- Cabrera-Cruz, Smolinsky & Buler (2018), p. 1: "Two of the best documented effects of light pollution on birds is the high mortality due to collision with illuminated buildings and windows and the stranding of seabirds which commonly get drawn by light sources to land."
- Van Doren et al. (2017), p. 11177: "Our data show that the light installation strongly concentrates and disorients migrants flying over a heavily urbanized area, influencing ≈1.1 million birds during seven nights over 7 y."

Sources

Scholarly books

Berenstein, Nadia (2015). "Deathtraps in the flyways: Electricity, glass and bird collisions in urban North America, 1887–2014". In Nagai, Kaori; Jones, Karen; Landry, Donna; Mattfeld, Monica; Rooney, Caroline; Sleigh, Charlotte (eds.). Cosmopolitan Animals. Palgrave Macmillan. pp. 79–92. doi:10.1057/9781137376282_6. ISBN 978-1-137-37628-2. OCLC 918864470. OL 22316455W.

Journal articles

Cabera-Cruz, Sergio A.; Smolinksy, Jaclyn A.; Buler, Jeffrey J. (2018). "Light pollution is greatest within migration passage areas for nocturnally-migrating birds around the world". Scientific Reports. 8 3261. doi:10.1038/s41598-018-21577-6.
Horton, Kyle G.; Nilsson, Cecilia; Van Doren, Benjamin M.; La Sorte, Frank A.; Dokter, Adriaan M.; Farnsworth, Andrew (2019). "Bright lights in the big cities: Migratory birds' exposure to artificial light". Frontiers in Ecology and the Environment. 17 (4): 189–244. doi:10.1002/fee.2029.
Loss, Scott R.; Will, Tom; Loss, Sara S.; Marra, Peter P. (2014). "Bird–building collisions in the United States: Estimates of annual mortality and species vulnerability". The Condor: Ornithological Applications. 116 (1): 8–23. doi:10.1650/CONDOR-13-090.1.
Loss, Scott R.; Li, Binbin V.; Horn, Lisa C.; Mesure, Michael R.; Zhu, Lei; Brys, Timothy G.; Dokter, Adriaan M.; Elmore, Jared A.; Gibbons, Richard E.; Homayoun, Tania Z.; Horton, Kyle G.; Inglet, Patsy; Jones, Benjamin J.; Keys, Taylor; Lao, Sirena; Loss, Sara S.; Parkins, Kaitlyn L.; Prestridge, Heather L.; Riggs, Georgia J.; Riding, Corey S.; Sweezey, Katherine R. I.; Vallery, Anna C.; Van Doren, Benjamin M.; Wang, Julia; Zuzula, Caley; Farnsworth, Andrew (2023). "Citizen science to address the global issue of bird–window collisions". Frontiers in Ecology and the Environment. 21 (9): 418–427. doi:10.1002/fee.2614.
Van Doren, Benjamin M.; Horton, Kyle G.; Dokter, Adriaan M.; Klinck, Holger; Elbin, Susan B.; Farnsworth, Andrew (2017). "High-intensity urban light installation dramatically alters nocturnal bird migration". Proceedings of the National Academy of Sciences. 114 (42): 11175–11180. doi:10.1073/pnas.1708574114.

Popular press

Einhorn, Catrin (May 20, 2025). "An Illinois building was a bird killer. A simple change made a world of difference". The New York Times. Archived from the original on June 30, 2025.
Holpuch, Amanda (June 18, 2024). "More than 1,000 birds died one night in Chicago. Will it happen again?". The New York Times. Archived from the original on June 20, 2024.
Hooley, Erin; Crawford, Teresa (October 11, 2024). "Avian enthusiasts try to counter the deadly risk of Chicago high-rises for migrating birds". Associated Press. Archived from the original on October 21, 2025.
Kronforst, Marcus; Protess, Dan (March 18, 2017). "Building a bird-safe city". In Thornton, Paul (ed.). Urban Nature. Season 1. Episode 4. WTTW.
Keenehan, Sean (March 9, 2017). "Building a bird-safe city". WTTW. Archived from the original on January 13, 2025.
Richmond, Todd (October 6, 2023). "Nearly 1,000 migrating songbirds perish after crashing into windows at Chicago exhibition hall". Associated Press. Archived from the original on October 7, 2023.

Primary sources

Brewer, Jenna (2024). Divergent response to anthropogenic change within the songbird taxon: Insights from the range expansion of the northern cardinal and mitigation mechanisms for migratory bird–building collisions (M.S. thesis). Michigan Technological University.

External links

Official website
"Chicago Bird Collision Monitors". Internal Revenue Service filings. ProPublica Nonprofit Explorer.

[Chicago_highest_risk_city_for_birds-1] Horton et al. (2019), p. 213: "An important step in this direction is identifying where the highest numbers of birds are exposed to the highest amounts of ALAN. Here we have shown where the greatest threats exist, and how these threats vary seasonally. The combination of large amounts of nocturnal illumination and their location in the most trafficked airspace across the US elevate metropolitan Chicago, Houston, and Dallas to the top of the exposure risk ranking."

[Effect_of_light_pollution_on_migratory_birds-2] 
Longcore & Rich (2004), p. 193: "Large numbers of nocturnally migrating birds are therefore affected when meteorological conditions bring them close to lights, for instance, during inclement weather or late at night when they tend to fly lower."
Cabrera-Cruz, Smolinsky & Buler (2018), p. 1: "Two of the best documented effects of light pollution on birds is the high mortality due to collision with illuminated buildings and windows and the stranding of seabirds which commonly get drawn by light sources to land."
Van Doren et al. (2017), p. 11177: "Our data show that the light installation strongly concentrates and disorients migrants flying over a heavily urbanized area, influencing ≈1.1 million birds during seven nights over 7 y."

[mwPQ] Longcore & Rich (2004), p. 193: "Large numbers of nocturnally migrating birds are therefore affected when meteorological conditions bring them close to lights, for instance, during inclement weather or late at night when they tend to fly lower."

[mwQw] Cabrera-Cruz, Smolinsky & Buler (2018), p. 1: "Two of the best documented effects of light pollution on birds is the high mortality due to collision with illuminated buildings and windows and the stranding of seabirds which commonly get drawn by light sources to land."

[mwSQ] Van Doren et al. (2017), p. 11177: "Our data show that the light installation strongly concentrates and disorients migrants flying over a heavily urbanized area, influencing ≈1.1 million birds during seven nights over 7 y."

[1]

[2]

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