ferret

In each cage, the ferrets who received the placebo contracted the virus, and the ferrets who received the treatment did not contract the virus.

Infected ferrets — an animal commonly used to study influenza because ferrets exhibit similar symptoms as people — can also get sick and pass the virus to other ferrets.

Presently, a mink came out where poor Bunny first appeared—nose to the ground, and hunting like a ferret.

When this is so, the ferret should never be used again until it is quite well.

The Ferret was sitting up, and leaning toward Porter, who was sleeping an arm's length away.

What, send that vagabond to the carriage to ferret about there!

He was a sharp man of business, keen-visaged as a ferret, and restless as a nervous horse long reined in.

He suddenly felt in his pocket, and found his ferret had got away.

Buck played his part well, allowing Jordan to ferret out information to his own satisfaction.

Nine times out of ten the chief of the private detective office knows in advance all we wish him to ferret out.