Lamb - there is no different between gender.
Only when they are adults is there a difference.
A young female bovine is called a 'heifer'. However, the mature female of the species is actually called a 'cow'.
Heifer is the name for female cattle that have not had calves.
A Bovine is a type of cattle like a Buffalo Or a cow.
"heifer" is a cow that has not borne a calf, or has borne only one calf. Cows are female and the male is therefore a bull.
A young Emu is called a Chick or a hatchling .
female sheep
Young Female Goat: Doeling Adult Female Goat: Doe
A heifer
The female bovine is referred to as a heifer if she is young or hasn't had a calf yet and a cow after she is full-grown or has a calf.
Cattle are mammals, they give birth to live young, and do not lay eggs.
cow
A Bovine is a type of cattle like a Buffalo Or a cow.
When a cow gives birth the animal is called a calf, as the calf grows the name changes depending on the sex of the animal. A female is called a hiefer and a male is called a bullock
Veal is the meat of young cattle; beef is the meat of older cattle.
"heifer" is a cow that has not borne a calf, or has borne only one calf. Cows are female and the male is therefore a bull.
The females are cows, the males are bulls and the young are calves. Just like cattle.
This is a good question and there is no easy answer. These animals all have only or two offspring at a time. The definition of calf gives no clue as to why this is so.
What part of "unmated" cattle are you referring to? Are you referring to females, or males or both? It's hard to tell what you're asking, but I'll do my best. An "unmated" young female, or a young female bovine that has not been bred yet is a heifer. A bull that has never bred a cow or heifer before is often referred to as a virgin bull. A cow that has calved but hasn't been bred yet is referred to as an open or barren cow.
Filly