rhino

Rhinoceros, commonly called a rhino, are large, herbivorous mammals characterized by thick, folded skin and one or more keratinous horns. Five extant species are recognized: white rhinoceros and black rhinoceros in Africa, and Indian (greater one-horned), Javan, and Sumatran rhinos in Asia. Rhinos inhabit a range of habitats from savannas and grasslands to tropical forests, depending on species.

Rhinos feed mainly on vegetation and have relatively low reproductive rates. Social structure varies by species; white rhinos are more gregarious, while black rhinos are typically solitary. Gestation lasts about 15 to 16 months, and calves rely on mothers for several years.

Rhinos face severe threats from poaching for horns and habitat loss. All five species are subject to protection under international law and national measures; several are listed as vulnerable, endangered, or critically endangered by the IUCN. Conservation programs include protected areas, anti-poaching efforts, monitoring, and breeding in captivity or managed reserves.

Rhino (Rhinoceros) is a commercial 3D computer graphics and computer-aided design application developed by Robert McNeel & Associates. First released in 1998, it specializes in free-form non-uniform rational B-spline (NURBS) modeling for accurate, precise geometries. It runs on Windows and macOS and supports plugins and scripting languages such as RhinoScript, Python, and Grasshopper, a visual programming environment for parametric design. The native file format is .3dm, and Rhino is widely used in architecture, industrial design, automotive, jewelry, and maritime industries for concept modeling, detailing, and fabrication workflows.