About this app
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. Features: •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 http://nestwatch.org/.
Latest release
What’s New
This version adds support for our new NestWatch Communities feature. It also has minor bug fixes and performance updates.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
- First observed Aug 23, 2026 · 9:37 PM Free