Perhaps they simply discovered a superior substitute for some household animals. Maybe some domestic animals ate a lot or weren't able to adjust quickly enough.
Animals that have been selectively raised and genetically modified over many generations to coexist with humans are considered domesticated. They differ genetically from their relatives or wild ancestors.
Pets include animals like cats, snakes, and dogs. Cows, donkeys, horses, chickens, sheep, and goats are examples of domesticated animals.
Without any financial gain, pets are taken out of the wild to be companions for their owners. The main reason domestic animals are captured is to serve as farm workers or food producers.
The definition of "non-domestic" or "exotic" is ambiguous. It should, strictly speaking, apply to any animal housed outside of its nation of origin. However, even if these creatures have been grown and kept in captivity for a long time, this would include rabbits, gerbils, and hamsters.
Animals that have been bred in captivity for a long time are considered domesticated. Even if a single animal can be domesticated, only a species of animals can be said to be so.
Through selective breeding, certain animals have undergone significant transformations from their wild origins in terms of appearance and behavior over time.
Learn more about domestic animals, here
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Answer:
The west was an unexplored region, Early explorers were looking for free, farm-able, fertile land as well as wanting to know and see more of the gold rush in California.
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