Koala dominant. Older males usually have accumulated scratches, scars, and cuts on the exposed parts of their noses and on their eyelids. The koala's gestation period lasts 33–35 days, and a female gives birth to a single joey (although twins occur on occasion). As with all marsupials, the young are born while at the embryonic stage, weighing only . However, they have relatively well-developed lips, forelimbs, and shoulders, as well as functioning respiratory, digestive, and urinary systems. The joey crawls into its mother's pouch to continue the rest of its development. Unlike most other marsupials, the koala does not clean her
Sam (koala) Sam (koala) Sam (2005-07 – 6 August 2009), also known as Sam the Koala, was a female koala from the forests of Mirboo North, Victoria, Australia. She became publicly known when a video and photographs of her being rescued by a firefighter were distributed on the internet and through the media during the aftermath of the Black Saturday bushfires. A mobile phone video of the event, which attracted just over 1.4 million hits on YouTube, shows firefighter David Tree approaching Sam who initially attempts to flee but then stops—Tree later speculated that the koala had been thinking "I can't run,