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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

Are Those Cowbirds in the Nest?

April 2015

Got an egg that doesn’t match, or a nestling that seems just a little different? You could be seeing a Brown-headed Cowbird. Learn how to spot and report these infiltrators.

They Nested Where?!

April 2015

Found a quirky or fun nest? Here’s your chance to enter the Funky Nests contest and win cool prizes!

Take a Tour of NestWatch History

April 2015

Preview 50 years of science in just a few short minutes. Discover some of the highlights from our citizen science nest record data.

PBS Presents “The Nest”

April 2015

NestWatchers will enjoy this hour-long documentary about nests from PBS NATURE, now available online in the US.

Who Is Jill Freeman?

May 2015

Sometimes we hear about NestWatchers who are doing an epic amount of monitoring—Jill Freeman is one of those people. You won’t believe how much data she’s posted to NestWatch!

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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