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Where Birds Come to Life

Help Measure Nature's Success

nests, clutches, broods, and fledglings

For over a decade people like you have helped scientists by collecting valuable data on the successes and failures of nesting birds.

Eastern Bluebird Nesting Attempts

  • 0Most attempts previously monitored in a year (2010)
  • 0Attempts monitored in
Error Retrieving Data
But Don't Stop Now!

Nesting Attempts by State

  • 0
Error Retrieving Data

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How To Count

  • 1 Get Certified

    Become a certified NestWatch monitor using our online resources and test.
  • 2 Search

    Find active nests to monitor.
  • 3 Visit Nests

    Visit the nests you found every 3 or 4 days and record what you see.
  • 4 Report Data

    Report your data using our online data entry tools.
Join Now and Count!

NestWatch News

Our Advice and Guidelines for NestWatching During COVID-19

April 2020

We care about this community and want to emphasize the importance of staying healthy during this pandemic. We address some common questions here.

NestWatch Digest

April 2020

Our annual report is a look back at the 2019 nesting season and includes research highlights, regional roundups, and some of our favorite participant photos.

A New Bulk Upload

April 2020

Thanks to Tim Nabors of the Cincinnati Nature Center for contributing a bulk upload of nest box data!

Remembering Terence Ryan

April 2020

We are so grateful for this legacy of long-term data, and for all of his efforts to help the local nesting birds during his lifetime.

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This material is based upon work supported by the National Science Foundation under Grant No. DRL-0540185. Any opinions, findings and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation (NSF).

Cornell Lab of Ornithology

Cornell Lab of Ornithology