Southeastern Purple Martin Project
The purpose of this project is to contribute to the collective knowledge of the Eastern US Purple Martin (Progne subis subis) by understanding site fidelity, dispersal population status, and migratory pathways for several colonies located in Alabama, Georgia and Florida, where there are major knowledge gaps. The Eastern Purple Martin almost entirely relies on artificially supplied, man-made housing to sustain the current populations. Purple Martin "landlords" are a crucial component of our study and to the continuation of Purple Martins in the Eastern US. We work alongside landlords at these study sites to add to their already on-going monitoring efforts of the species to further ask additional questions that need to be answered for better species management. Unfortunately, like many migratory bird species, Purple Martins are in decline. Our on-going studies on this species will help us to better understand why and to help the populations to hopefully rebound through both research and education on this species that now is reliant on human-management due to habitat loss and invasive species such as House Sparrows and European Starlings.


Our initial study began in 2021, where from the summer of 2021 and summer 2024, we banded around 20% of individuals from the four initial colonies. In that time, we also deployed 100 light-level geolocators (which weight 3% or less of the bird's total body weight) to collect location information and to figure out how the birds travel to Brazil and back to better understand their migration and stopover habits for better species management. Please check our reports & publications page as we begin to release the vital information we learned about these populations.​
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If you are a Purple Martin landlord or know of a breeding site, please let us know if you see one of our color bands! We use a different color for each state (AL = blue, FL = green, GA = yellow or red (yellow color decommissioned as of 2025). Every band has a state code (AL, FL, GA) followed by a letter (i.e. A,B,C) and three digits). We use orange bands on adults that been a part of our geolocator program. Please email us if you see one or have a banded Purple Martin. If it is not ours, we will try to narrow down where it came from. Pictures of the bands are crucial: Contact: emma@bandingcoalition.org.





We can not thank our initial Purple Martin landlords enough for being an integral part of developing this project:
Tiffany Anderson
Brad Biddle
Lynn Daniel
Barbara Almario
We also would like to thank Dr. T.J. Zenzal with USGS for his partnership in this project as well as the entire Florida Wildlife Commission Staff in Holt, FL. Additionally, thanks to several researchers who we willing to share their knowledge about geolocator deployment on the species.
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We also received two small grants in support of our initial work which was integral to getting our geolocator work off the ground:
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Grants in support: Alabama Ornithological Society and Purple Martin Conservation Association.
Interested in our Purple Martin research and conservation? Contact us at emma@bandingcoalition.org
