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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

Predator Guards: The Verdict Is In

September 2017

Anecdotally, we all “know” predator guards work. But until now, we never had any solid evidence.

Egg-citing New Art Print!

September 2017

A printed collection of 32 life-sized eggs hand-painted by Bartels Science Illustration Intern Virginia Greene could be yours with a donation to NestWatch!

Home Tweet Home Winners

September 2017

With more than 630 entries, selecting the winners was tough!

Cleaning House…or Not

September 2017

Reuse is all the rage. Does the trend apply to cavity-nesting birds? Find out!

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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