City Bird

Every year, millions of birds are killed when they fly into windows. City Bird was created in collaboration with the New Hope Bird Alliance to bring awareness of this important issue to our community and to create a citizen science project that monitors bird-window collisions in the Triangle area (mostly Chapel Hill, Raleigh) of NC, USA. You can support us by volunteering and following us on social media. City Bird was created in August 2022 by Jin Bai, the community science committee chair of New Hope Bird Alliance. Our project aims to provide critical data needed to convince policymakers and building managers to make buildings safer for birds.

Collision tally: n = 519

College campuses

NC State University: n = 142 (125 dead, 17 alive). Latest: Indigo Bunting on 04/23/2025.
UNC-Chapel Hill: n = 249 (236 dead, 13 alive). Latest: Cedar Waxwing on 06/09/2025.
Meredith College: n = 39 (37 dead, 2 alive). Latest: Mourning Dove on 02/24/2025.

Locations outside the above 3 campuses

Orange County: n = 30 (28 dead, 2 alive) Latest: Red-headed Woodpecker on 02/26/2025
Durham County: n = 32 (30 dead, 2 alive) Latest: Dark-eyed Junco on 11/05/2024
Wake County: n = 26 (24 dead, 2 alive) Latest: Brown-headed Cowbird on 10/16/2024
Chatham County: n = 1 (1 dead, 0 alive) Latest: American Redstart on 10/01/2024

Data from 09/20/2022 to 06/09/2025.

Note: the data for locations outside of the 3 campuses are mostly from iNaturalist and incidental reports (no structured collision surveys) and is a very underestimated number of collisions.

CITY_BIRD_ORG

Contact: Jin Bai, jinbai194@gmail.com

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