Cattle were branded with a brand used only by that ranch.
well the most common is either a spray-painted number on the back of the sheep or a tag pierced into their ear...sheep are rarely branded...
because they look different
No.
LOL they're the same cows, only thing is that the "colostrum milk cows" are those cows that have just given birth to a new calf. Colostrum flows for 24 to 48 hours, before the milk in their udders "converts" into "real" milk that we drink.
they look different
So you can tell different trails apart.
yes
I'm a rancher and I can tell you firsthand that we eat just like you.
The tufted titmice look too similar to tell apart so it is quite impossible to tell apart. The male and female tufted titmice do not have different looks.
The answer depends on what you want tell it apart from!
In the major leagues, yes, its so you can tell them apart.
Different colors make it easier to tell apart various denominations.