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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

Blog Update: 5 Nests to Find This Year

April 2018

This year we’re asking you to find one nest of a species you’ve never monitored before. For inspiration, we illustrated five backyard birds that nest near people.

An Update on the MBTA

April 2018

The Migratory Bird Treaty Act has been interpreted consistently for 100 years. Now, a new interpretation is changing how the Act is enforced.

New Birdhouse Video!

April 2018

Check out this new video on the “Features of a Good Birdhouse”!

Last Call To Take Our Survey

April 2018

If you monitor nest boxes, please consider taking our survey by May 1 to help us learn more about invasive species.

More News More News

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