Urs is a term that refers to a bear, particularly in the context of the scientific name for the genus that includes various species of bears. This genus, Ursus, encompasses well-known species such as the American black bear, grizzly bear, and polar bear. Bears are large mammals found in various habitats, including forests, mountains, and tundras. Bears are omnivorous, meaning they eat both plants and animals. They play a crucial role in their ecosystems by helping to disperse seeds and maintain the balance of their habitats. Many bear species are currently threatened or endangered due to habitat loss and climate change.