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
Koala prowling sloth-like animal with a "fierce and menacing look". At the beginning of the 20th century, the koala's reputation took a more positive turn, largely due to its growing popularity and depiction in several widely circulated children's stories. It is featured in Ethel Pedley's 1899 book "Dot and the Kangaroo", in which it is portrayed as the "funny native bear". Artist Norman Lindsay depicted a more anthropomorphic koala in "The Bulletin" cartoons, starting in 1904. This character also appeared as Bunyip Bluegum in Lindsay's 1918 book "The Magic Pudding". Perhaps the most famous fictional koala is Blinky Bill. Created by