It's called a Dugong.
Well, some people call it a "sea cow."
It's called a calf, but if you like you could call it a sea calf :D
You call people living in Australia, Australians.
Australians call them "lifts", but the word "elevators" is not unknown.
cow sea
sea cow
Watermelon, Australians just have an accent.
A female is called a cow and a male is called a bull
i presume you mean do Australians call us poms? if so yes
A manatee is known as a sea cow.
KIDS
it is a veranda