First, it would be two rhinos, not seven. Rhinos are hard to bred in captivity, in the wild they bred fine. There endangered because humans poached many of them, and continue to poach them. If you still have a problem take away 50% of the population, or even 75% of that number, that’s still more then enough.
no. it would be 7. see. rhinos have split hooves and chew cud. they're clean animals. the bible says they took 7 of every clean animal. you know. so they could eat and sacrifice.
just saying.