In 1959, the Institute of Cytology and Genetics in Novosibirsk, Russia began breeding silver foxes in a controlled experiment. They continually selected foxes that were tolerant of humans and displayed little aggression. More than 40 generations later, they had produced a strain of foxes that behaved very much like domesticated dogs, and even sold many of them as pets.
Key Facts In This Video
Foxes have flatter skulls and longer noses than coyotes, dogs, and wolves. 00:23
Russian scientists bred tame, dog-like foxes by selecting the ones that were less aggressive. 01:37
The fox is the most widely distributed carnivore. 02:11
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