Puma Calls For Food By Firing A Cannon

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This picture is from 1935 accompanying the following headline and text:

Though most animals are gun-shy, a wild puma kept at a laboratory in Moscow, Russia, deliberately fires a cannon to signify that it is hungry. Laboratory workers trained the animal, in accordance with the theories of Dr. Ivan Pavlov, noted physiologist, by firing the piece and giving the puma a piece of meat after each shot. Soon it overcame its natural dislike for the sound and learned to get its meals by climbing upon a platform and pulling the firing cord.

Puma Fires A Cannon

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