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|Description:||Each year, 15,000 people count birds at their feeders for Project FeederWatch. With more than 1.5 million checklists submitted since 1987, FeederWatchers have contributed valuable data enabling scientists to monitor changes in the distribution and abundance of birds. Using FeederWatch data, scientists have studied the influence of nonnative species on native bird communities, examined the association between birds and habitats, and tracked unpredictable movements in winter bird populations. Participants gain from the rewarding experience of watching birds at their feeders and contributing their own observations to reveal larger patterns in bird populations across the continent.|