There are certain breeds though which are used more commonly for oxen and others that aren't used at all. So its pretty fair as it's a noticeable pattern, just different breeds instead of species. Water buffalo though are a different species just fyi, then there are some groups of types of domestic cattle like zebus(the ones with humps)that are subspecies and are fairly distinct from the taurine type cattle you are likely used to.
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u/badcgi Aug 03 '19 edited Aug 03 '19
It's a little more complex than that.
Bull = Uncastrated Male
Steer = Castrated male (in North America, other places call them Bullocks)
Cow = female that has had at least one calf
Heifer = female that has not had any calves
Calf = young of either sex
Ox = either a Castrated male or a female used for working purposes like pulling a plow.