human
What is the difference between an emu and a kangaroo?
assistant
The main difference between an emu and a kangaroo is that an emu is larger than a kangaroo. An emu can grow up to 6 feet tall, while a kangaroo can reach up to 3 feet in height. Emu also have longer legs than kangaroos, which allows them to move more easily. Additionally, emus are flightless birds, whereas kangaroos are mammals that can hop on two legs.