Great question. Her name was Io.
To hide her from Hera's jealous eyes He failed however, since Hera saw right through his ruse.
Zeus's jealous wife, Hera, turned Io in a cow with a gladfly stinging her rump while the cow wandered.
Temple Grandin.
They don't. It's simply not possible. The only way a black cow can "have" a white calf is if the white calf has been adopted by that cow because her calf had died at birth and the white calf had no mother because it's mother either rejected it or died giving birth to it. It's new surrogate mother then happened to be a black cow.
Oh, dude, that's an easy one. So, like, technically speaking, a white cow would be easier to see from an airplane because it would stand out more against the green grass below. But, like, who's really out there playing "Spot the Cow" from a plane anyway? Just enjoy the view and maybe take a nap instead.
No, it was the other way around: Zeus turned her into a white cow. Her name was Io.
Io. Zeus turned her into cow to hide her from Hera.
That would be Ino.
Io
She was the water nymph Io, after whom the Ionean sea is named.
Zeus's "cow-bride" was Io.
To hide her from Hera's jealous eyes He failed however, since Hera saw right through his ruse.
You are Io, a mortal woman in Greek mythology who was pursued by Zeus. To protect her from the jealousy of his wife Hera, Zeus transformed Io into a cow. Despite his efforts, Hera sent a gadfly to torment her, leading to Io's long and arduous journey across the world.
Zeus's "cow-bride" was Io.
You may be thinking of the abduction of Europa by Zeus (the Greek Jupiter), who disguised himself in the form of a bull? Wikipedia will give you the details.
Io.
Zeus turned Io into a white cow to hide her from Hera. The hundred-eyed monster was Argus, who Hermes killed to save Io.