Sibley Birds 2nd Edition is a comprehensive bird identification app featuring detailed information on over 930 North American bird species. The app provides an extensive digital library of David Sibley's renowned artwork, distribution maps, and thorough descriptions, making it an essential tool for both novice and experienced birdwatchers.

With its user-friendly interface and smart features, the app allows users to identify birds through calls or images. Key functionalities include location-based bird presence checks, multilingual species names, and a robust search system that supports filtering by various criteria such as size, color, and habits. Whether you're conducting field research or pursuing a casual interest in ornithology, this app delivers significant value through its accurate identification tools and rich content.

The app boasts an array of advanced features designed to enhance the birdwatching experience. Its intuitive design includes a simplified grid view with larger thumbnails and a new navigation menu system. Users can search for birds using banding codes or compare two species side-by-side for better differentiation.

One of the standout features is the bird call identification, which includes over 2700 calls and songs covering most species. Additionally, the app offers smart filters that refine searches based on status, month, habits, and more. The 'My List' feature allows users to maintain a personal record of observed species, with online backup to Google Drive, ensuring data safety and easy access across devices.