A male goat is a billy-goat. A female goat is a nanny goat. There is no male nanny goat.
Goats are often times, and most widely called "billy" for the male or "nanny" for the female. The more proper terminology is to refer to the fully functional male as a "buck", the castrated male as a "wether", the adult female as a "doe" and a newborn goat is referred to as a "kid". Terms such as "buckling" and "doeling" are often used as well to further describe the sex of a "kid".
A male shark is called a male.
A male crocodile is called a bull.
A male pronghorn is called a buck
Male hummingbirds are called cocks
A male whale, is called a bull.
A male elephant is called a bull or a tusker.A male elephant is called a bull.
A male deer is called a Buck , but also can be called a Stag
nanny Doe.
A male pig is a "Boar" and a male deer is called a "Buck"
it is called a buck A desexed male goat is called a wether
Also called a buck.
A male donkey is called a jack or jackass