NestWatch is a nationwide nest-monitoring program designed to track status and trends in the reproductive biology of birds. Participating in NestWatch is easy and anyone can do it.

How to Participate

  1. Take the online quiz to get certified
  2. Find nests
  3. Record data
  4. Submit online or with the mobile app

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NestWatch News

A female Anna's Hummingbird sits in a nest on a tree branch

Do Hummingbirds Use Birdhouses?

September 2024

Check out this month’s blog post to learn better ways to attract these flying gems to nest nearby.

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an adult blue jay perched next to a nest full of hungry nestlings.

New App Update

September 2024

Please take a moment to update the app to version 3.3.8.

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an adult blue tanager perched next to its nest, which has been built among vines on a pole. Nestlings are begging for food.

New Chapter in Colombia

September 2024

Due to continued growth, PAU Colombia has now been split into two: PAU Colombia and 1900 Nidos!

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six white eggs in a feather-lined nest cup

A Maine Focus

September 2024

Thanks to Downeast Audubon for their 386 nest records!

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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