Simulate particle interactions with adjustable parameters. Observe complex patterns emerging from simple rules. Explore bionic systems through visual dynamics. Analyze group behavior in natural and artificial environments.
Plan trips to parks with downloadable and guides. Access 45+ parks, 190+ from government agencies, and 1,600+ campgrounds. View trails, motor vehicle , and visitor information. Navigate without Wi-Fi in wilderness areas.
Identify birds using audio recordings and visual descriptions. Browse thousands of high-resolution images. Access detailed species information including habitat, behavior, and vocalizations. Listen to calls and from around the world.
