👉 Rheithrosciurus is a genus in the family Rhinocerotidae, which contains several species of birds that are commonly found in the forests and grasslands of Europe and Asia. These birds include the common rhinoceros (Rhinehorn), white-tailed rhinoceros (Rhino), and other species. Each member of this genus has distinct adaptations for survival in their respective habitats, including long necks, strong beaks, and a distinctive crest or bill