SY Morning was a steam yacht, known for her role as a relief vessel to Scott's British National Antarctic Expedition (1901–1904).
Morgenen was a Norwegian whaling ship, built in 1871 by Svend Foyn of Tønsberg, Norway.
Morning called at several pre-arranged mail depositories in an attempt to locate Discovery, the expedition's main ship.
Ernest Shackleton joined the crew of Morning as he was suffering from scurvy, and Mulock took his place on the Discovery.
A log of the voyage compiled by Leonard Burgess, a seaman, is held in the Macmillan Brown Library, University of Canterbury in New Zealand.
A log of the voyage, compiled by Leonard Burgess, a seaman, is also held in the Macmillan Brown Library, University of Canterbury.
The Leonard Burgess log records "Nig" giving birth to 5 kittens at 11:30pm on 24 December 1903.
In most cases, the words were written by the chief engineer, John Donald Morrison, and were put to music by Doorly.