You see any pictures of the dead cattle? They aren’t migratory? Ever hear of a cattle drive cowboy? You might want to read some history about cattlemen.
Were not talking about physics reading hear.
This came fast and most ranchers didn’t have time to move all their head. You may want to try living on a ranch.
If they were migratory they wouldn’t need to be driven, now would they?
Driving cattle is not instinctual migration. If domestic breeds of cattle did migrate of their own volition, all ranchers would need to be nomadic simply by trade.
Now bison migrate; that is the instinct of that animal. But they are also built for the variables in US weather, even sudden cold weather such as this.