No, you only have to catch the first one.
The 5 cattle are mostly around the corral. You do not have to catch them to complete the island.
It is practically impossible to bring in the cattle when they get hooked on a tree or on top of a rock. You are better off going back to one of the towns, entering, then returning to see if it has moved.
Cattle can be found throughout the US. The mid-west tends to have more dairy cows and the west more beef cattle.
cattle
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RailroadsRAILROADS
Cattle Ranching started in Texas and spread all throughout the West.
Many smaller towns prospered because of the cattle boom, because it brought the cattle herders and cowboys to town. When the cattle drive was finished, the cowboys were anxious to spend their money.
Unlock the National Pokedex. Fly to Sandgem Town. Go into the research lab, then immediately walk out. Do it a second time. Then, go west to the big grass patch. Then, eventually, Mew appears.
That all depends on what country you are referring to, and what type, age, and breed these cattle are.
It provided the means to transport cattle to eastern markets~NN