Is this helpful? Yes·NoClick to see full answer. People also ask, what is a walrus Baculum?The baculum is the penile bone, which is possessed by most mammals, including dogs, cats, bears, seals, sea lions, and rodents. The term ‘oosik’ is used in Alaska to refer to this bone. Walruses may weigh over 3,000 pounds and live for 40 years.Also, do walrus have bones? The walrus has an air sac under its throat which acts like a flotation bubble and allows it to bob vertically in the water and sleep. The males possess a large baculum (penis bone), up to 63 cm (25 in) in length, the largest of any land mammal, both in absolute size and relative to body size. Besides, what is an Oosik bone? Oosik (pronounced “oooh sick”) is a term used in Native Alaska cultures to describe the baculum of walruses, seals, sea lions, and polar bears. The baculum is a bone found in the penis of most mammals.What animals have a Baculum?Most mammals have a unique bone called a baculum – also know as a penis bone, penile bone or os penis – in their penis. The only mammal species without baculum are humans, horses, donkeys, rhinoceros, marsupials, rabbits, cetaceans – the marine family that includes whales and dolphins – elephants and hyenas.