Step 1 : Introduction to the question "What is a cassowary?"
...The cassowary belongs to the flightless feathered family and is closely related to the emu. The cassowary claims the title of heaviest bird in Australia and comes in second in the world, behind the ostrich, its cousin. Cassowary are usually black as adults but the bright skin colors on their face and neck are distinctive to the species. The cassowary sport distinctive dense, two-quilled black feathers that look like hair when viewed from a distance. These feathers are not conducive to flight but are instead designed for protection in the bird's rain forest native habitat. Source: SanDiegoZoo.org
