Photograph of Indigo Bunting - (c) Lloyd Spitalnik

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Citizen Science Projects

Breeding Bird Survey

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Administered cooperatively by the U.S. Geological Survey Patuxent Wildlife Research Center and the Canadian Wildlife Service. The BBS monitors the status and trends of North American bird populations. Thousands of participants use standard protocols to collect data along randomly established roadside routes throughout North America.

Celebrate Urban Birds

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A bilingual Citizen Science project of the Cornell Laboratory of Ornithology. The goal is to engage underserved urban and rural residents in science, environmental education, and community activities related to birds. Data are used to assess the value of green spaces for birds in urban areas.

Christmas Bird Count

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Administered by the National Audubon Society. The CBC is a winter (December 14 - January 5) census of birds in North America to provide population data on wintering ranges. These data complement data from the Breeding Bird Survey. CBC data have been used to assess the health of bird populations and to help guide conservation action.

eBird

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A Citizen Science project of the Cornell Laboratory of Ornithology. eBird is an online data network and checklist service that provides access to millions of bird observations in real-time. It is part of the Avian Knowledge Network.

Great Backyard Bird Count

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Administered jointly by the Cornell Laboratory of Ornithology, National Audubon Society, and Bird Studies Canada. This four day annual event in February was the first online Citizen Science project to collect data on wild birds. Data are merged with the eBird online checklist program to maximize their utility to science.

iNaturalist

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An online social network of people sharing biodiversity information to help each other learn about nature. iNaturalist provides tools for recording observations of any taxon, getting help with identifications, and collaborating to collect data for a common purpose. Research-grade data are part of the Global Biodiversity Information Facility.

NestWatch

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A Citizen Science project of the Cornell Laboratory of Ornithology. Participants find and monitor bird nests, thereby helping scientists track the reproductive success of birds across North America. Data are used to study the condition and status of breeding bird populations over time.

North American Bird Phenology Program

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Administered by the U.S. Geological Survey Patuxent Wildlife Research Center and sponsored by AOS. Includes millions of citizen science observations collected between 1880-1970 on arrival and departure dates and maximum abundance of migratory birds. Volunteers are transcribing these data.

Project FeederWatch

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A Citizen Science project of the Cornell Laboratory of Ornithology. Thousands of people count birds annually at their feeders, thus contributing valuable data that enable scientists to monitor changes in the distribution and abundance of birds.

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