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

NestWatchers Needed For New Barn Swallow Study

March 2014

NestWatchers can help researchers study the effects of artificial light on the pace of life of Barn Swallows. Sign up today!

What’s Old Is New

March 2014

NestWatch can accept historic data going back all the way to 1900! If you have old notebooks or data sheets full of nesting observations, enter them.

Enter Data in Mobile Site

March 2014

If you have a smartphone or tablet, you can use NestWatch in the field and skip the data sheets! Try it today and go paperless.

New Scientific Paper Published

March 2014

During the 2013 season, Gerald Clark discovered the first case of Eastern Bluebird twins. Now you can read the scientific article about the discovery online!

Welcome a New Chapter!

March 2014

Welcome to our newest NestWatch Chapter, at Biodiversity Research Institute, located in Gorham, Maine!

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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