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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

Owl About Birdhouses

October 2015

Right now, owls are searching for suitable nesting sites. Building an owl nest box or platform is a great fall project to help out your local owls!

Donate by Oct. 13—Get a Free Webinar!

October 2015

Help us build our nest! Donate to NestWatch by October 13 and receive a FREE webinar on “Understanding Bird Behavior” by renowned ornithologist Dr. Kevin McGowan.

New Project on Youth Engagement

October 2015

This month, NestWatch and our partners are beginning a new 3-year project aimed at engaging youth in nest-box stewardship and citizen science.

More California Nesting Data

October 2015

We have uploaded another 2,129 nesting records from California’s San Francisco Bay Area. The new 14-year data set comes to us from Lee Pauser and includes 18 species!

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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