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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

Wanted: Flycatcher Nest Photos

April 2017

Great Crested Flycatchers often incorporate snake skins into their nests. Help us find out why!

New Purple Martin Nest Box Plan

April 2017

These colony-nesting birds are almost entirely dependent on human-made housing.

Youth Workshops a Hit

April 2017

NestWatch takes to the field this spring building and installing nest boxes with 4-H youth across New York State.

Sparrow Swap Returns For 2nd Season

April 2017

Do you have nest boxes that attracts House Sparrows? Help scientists learn more about these non-native species.

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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