is a ferret nocturnal
The black-footed ferret is secretive and nocturnal, few people have ever seen them in the wild. Most of its time is underground in prairie dog burrows, and typically spends only a few minutes above ground each day to hunt or find new burrows or mates.from wikipedia). The ferret's large ears and eyes suggest it has acute hearing and sight, but smell is probably its most important sense for hunting prey underground in the dark. Life expectancy for a black-footed ferret in the wild is probably less than 5 years.