NestWatch by the Cornell Lab3.7.18 - App Store

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/.

Version History Fixed a bug related to species search and community selection 3.7.18 Sep 29 This version adds support for our new NestWatch Communities feature. It also has minor bug fixes and performance updates. 3.7.16 Sep 18 In this release:
* Updated map experience including nest filtering.
* Nest details can now be edited after creation.

Thank you for NestWatching! 3.7.10 Jun 29 Bug fixes and performance improvements 3.6.16 11/10/2025 Bugfixes and performance improvements 3.6.4 09/29/2025 In this update, we are happy to provide you with the following new features
* Nest Groups: Create and manage nest groups to keep your nest list organized. Any nest groups you have created on the website will sync to your device.
* Your nest list can now be filtered by selecting a nest group
* You can also filter your nest list by status

We have also optimized the way data is synced to the app from our servers. Users with large datasets will see a faster sync process.

Thank you NestWatchers! 3.6.3 06/19/2025 We have been working hard to improve the performance and reliability of the app. Thank you for your support. Happy NestWatching! 3.5.9 05/16/2025 We have fixed some issues that were identified over the start of the 2025 nesting season. 3.5.5 04/25/2025 Added a Portuguese translation. Fixed bugs and made performance improvements. 3.4.8 03/24/2025 Behind the scenes upgrades to make your NestWatch experience better! 3.3.8 08/26/2024 Fixed a bug related to photo display 3.2.6 04/03/2024 We are happy to announce the addition of the Spanish language translation to the NestWatch app!

Numerous bugfixes and localization efforts are included as well.

Enjoy the NestWatch season! 3.2.5 07/18/2023 We fixed a bug related to push notification delivery. Thank you for using NestWatch! 3.1.6 04/27/2023 We have added several new questions to allow you to describe your nest locations with more detail

- Added Substrate Relationship Question
- Added Predator Guard question
- Added Cavity Opening Width question

We also fixed some bugs and worked on cleaning up some user experience issues 3.1.5 04/25/2023 Licensing updates 3.0.5 03/15/2022 Fixed issue causing data-loss in specific offline-mode scenarios
Added 'A-> Z' sorting option to your nest list
Added 'reset' option to more observation fields
Clarified language on mapping tool 3.0.2 06/27/2021 Fixed issue related to resetting observed species 3.0.1 05/16/2021 Improved performance for users with many nest observations
Improved UI and navigation
Improved offline mode and data sync
Implemented Dark mode toggle 3.0.0 05/13/2021 Fixed display issues on newer devices. 1.4.1 04/25/2020 New nest outcome options! You may now indicate if a nest has been taken over by another species. If you know the species performing the takeover, you may tag it in your nest's summary.

This update includes fixes for an edge-case causing new nest GPS coordinates to be lost, and fix for a display issue caused by creating an empty nest on the web. 1.4.0 04/02/2020 Critical fix for user routing 1.3.2 05/24/2019 Improvements to the photo service
Photo service TOS clarification
Hotfix for users with the most data failing to load 1.3.1 05/24/2019 Attach photos to your nest observations! Users may now add photos to their nest observations. Up to three photos may be attached to each nest visit.
Get realtime suggestions about nearby species. 'Species search' now provides realtime lookup of possible species in a nest's area. Participate from outside of the United States!
General bug fixes and improvements for new and existing users. 1.3.0 05/08/2019 Fixed a bug affecting nest-visit creation workflow.
General maintenance.
Preparation for upcoming release. 1.2.5 03/25/2019 Enable push notifications to receive alerts from NestWatch about your sites and data!
More responsive alert reporting for current nesting sites.
UI and UX improvements.
General bug fixes and performance enhancements. 1.2.4 07/24/2018