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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
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But Don't Stop Now!

Nesting Attempts by State

  • 0
Error Retrieving Data

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  • 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.
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NestWatch News

100 Years of Nest Protection

January 2016

Learn which North American treaty is the most important protection in place for birds and their nests. Find out how you can help spread the word.

Is it Legal? The MBTA Clarified

January 2016

We answered some common nesting questions with respect to the Migratory Bird Treaty Act, a law which protects native birds.

Poached: A Film On Eggs & Obsession

January 2016

The beauty of eggs, the thrill of the hunt…this feature illuminates an illicit hobby that is both obscure and antiquated.

Oology & Ralph’s Talking Eggs

January 2016

In this book about Ralph Handsaker, Iowa farmer and amateur oologist, author Carrol Henderson details the history of Ralph’s extensive (800 sets!) egg collection.

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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