How Leopards Can Save Human Lives

My favorite natural law is the Law of Unintended Consequences.

Here is a good example.  The leopard is one of the most elusive and feared predators in the world.   The last thing you would want is a big cat like this in a populated area.

Or would you?  There is a recent study in the journal Frontiers in Ecology and the Environment with the unlikely title of “Leopards provide public health benefits in Mumbai, India” (  You see, India has a large number of feral dogs — estimates range as high as 30 million.  The health angle is many of these dogs are infected with rabies; about 20,000 people per year in India die of this dreaded disease, most of them from dog bites.  A leopard in the neighborhood will control the dog population and thus save people from getting bitten by a dog.

Unfortunately, it’s not all win-win.  Wild leopards can’t be controlled and people are occasionally attacked.  The problem is people tend to focus only on the negative; this study shows there is a positive side that is well worth considering.  If you live in an Indian slum, a leopard may be a big part of health policy.

For more information, see “Urban Leopards Can Save Lives By Eating Feral Dogs” by Matthew L. Miller ( ).  The photo came from that site.


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