NestWatch by Cornell Lab

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