The trunk of elephant

The elephant has a better sense of smell unlike any animal ,better than even dogs ,researchers in university of Tokyo in Japan had found out elephants in Africa have the most olfactory receptive genes ,the cow takes the second place .
African Elephants have more than 2000 different types of smell genes in their trunks, the dogs have 811 ,as for human being we have around 400 .
But I do not think the elephants which smell better and accurately than dogs will replace dogs especially helping the police in airports and ports to tackle drug rings and terrorism.

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