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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

Hybrid Titmouse Nesting Success

September 2016

A research update on how your NestWatch data were used to study Black-crested and Tufted titmouse hybridization.

A Bed of Thorns

September 2016

Nests placed in cacti are a common occurrence, but cactus spines in a nest? That’s a new one for us!

Cap Open Pipes To Save Birds

September 2016

Uncapped gate posts and pipes pose a danger to cavity-nesting birds. The good news is that the solution is simple!

More Bulk Uploads

September 2016

Another 200+ nest records were bulk uploaded this month, this time from Leaser Lake Heritage Foundation in Pennsylvania.

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