The most expensive cow in the world was sold in 2009 for $1.2 million.
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Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
Alligators can live up to 100 years.
337
All pandas are ‘owned’ by China. They rent them out to zoos for $1mil/year each with minimum of 10 years.
16
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4