Butterflies of Singapore (NSS) 1.14

This mobile field guide on the butterflies of Singapore, developed by the Nature Society (Singapore), provides a comprehensive resource with 440 high-quality photographs representing all six butterfly families—Papilionidae, Pieridae, Nymphalidae, Riodinidae, Lycaenidae, and Hesperiidae—native to the region. Each image has been carefully selected to emphasize distinctive morphological features, aiding accurate identification. The guide thoughtfully includes images of both genders for dimorphic species and highlights various forms within polymorphic species, facilitating detailed comparisons.

The application offers a suite of user-friendly features designed to enhance the field identification experience:

• Four intuitive navigation modes: List, Thumbnail, Gallery, and Family views
• Filtering options allowing users to narrow search results based on habitat and specific butterfly characteristics such as eyespots and tail structures
• Search functionality supporting queries by common name, scientific name, color, abundance, size, habitat, and flight speed
• The 'Show Similar' feature identifies and displays species with similar visual traits
• Comparison tool presenting side-by-side images with synchronized panning and zooming capabilities
• Embedded survey feature and personal life list management, automatically recording timestamps and GPS coordinates

Once downloaded, the app functions effectively without requiring an internet or mobile signal, making it well-suited for field use in remote locations.