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Help us investigate the lives of these, introduced to North America, avian species!
Learn moreChoose your own adventure! There are many ways to engage with this project, including many one-question, smartphone-friendly options. Click on one of the boxes below and have fun!
Chat with the research team and other volunteers!
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The work of citizen scientists, such as those who contribute to NestWatch, is what makes our research possible. Because of the efforts of nest monitors, we are able to look at patterns over long periods of time and large geographic areas.
Nest Quest Go: European Starlings and House SparrowsJoin the Cornell Lab of Ornithology's Citizen-Science Project, NestWatch in understanding the historical nesting patterns of these non-native North American birds. Both House Sparrows and European Starlings are social birds that were introduced to America in the 19th century. House sparrows are unique in appearance and habitat. They are unrelated to other North American sparrows, and similar to European Starlings, can typically be found around human-populated areas (i.e. backyards, buildings, parks and zoos). An interesting fact about these European Starlings is that all are very closely related, and many genetically indistinguishable!
These nest record cards are a subset of a larger collection of more than 300,000 nest records that NestWatch is working on digitizing and transcribing. Valuable scientific questions can be asked and answered regarding the nesting behavior of birds over time by examining historical records. We hope to bring new discoveries to light using these previously hidden datasets.