NestWatch is the Cornell Lab of Ornithology’s citizen-science project that tracks nesting birds in North America. Found a bird’s nest? You can report it for science.
Sign in to:

•Add a nest location using the interactive map.
•Add data on species, number of eggs, number of young, hatch date, and other pertinent details.
•Contribute to North America’s largest database on avian nesting success.

•Full offline functionality, enabling use in places with limited or no Internet connection or cellular service.
•Enter bird nest observations from anywhere in North America.
•Track your nesting statistics in real time.
•Ideal for managing nest box trail data.
•Automatically syncs with web version for seamless multi-user and multi-platform support.
•Your data are openly available for scientific research, education, and conservation right away.

Learn more about monitoring birds’ nests for science at

What’s New

Version 1.3.2

Critical fix for user routing

Ratings and Reviews

3.8 out of 5
9 Ratings

9 Ratings

Emilly22335 ,

Ok, but one minor thing

Every time I close this app, it logs me out and makes me have to sign back in to my account. This is very annoying but other then that it is an amazing app.

Developer Response ,

Thank you for taking the time to leave this review. We're sorry that you're experiencing this issue, the app should remember your session between uses. Please contact us at and we'll happily take a closer look!


Very useful

Seems to work seamlessly on my iPhone SE but is prone to locking up when used with my iPad Air 2. Both have the latest operating system.

tai_pan1 ,


I updated the app on my phone, now it won’t open.

Developer Response ,

Thank you for taking the time to leave this review. We're sorry that you're having trouble after an update. Please contact us at and we'll happily work with you to take a closer look!


Cornell University
77 MB

Requires iOS 9.0 or later. Compatible with iPhone, iPad, and iPod touch.



Age Rating


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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