Field notes · Mustela putorius furo

THE WAR
DANCE

Elbows out, spine arched, mouth thrown open in a hiss with no menace behind it —
the least dangerous war ever declared.

Live re-enactment Running at all times

Field note — behavior

It looks like a fight it isn't having

Ferrets have been doing this since long before anyone filmed it for the internet. A wild weasel bares its teeth to warn you off. A ferret bares its teeth to ask you to chase it — the same posture, the opposite sentence.

It shows up after a nap, after a new smell, after you've so much as glanced at the toy basket. It ends, without exception, in a full-body flop and a nap. Vets and behaviorists call it the "weasel war dance." Everyone who has watched one happen at full speed, three inches off the floor, calls it something closer to a seizure of joy.

Kits do it constantly, over nothing. Older ferrets ration it — they only spend the energy on something worth the drama.

Field note — anatomy

Five things happening at once

None of this runs in sequence. It's all firing simultaneously, which is most of why it's so hard to look away from.

A B C D E

Field note — triggers

What sets it off

No warning, no windup. One second your ferret is asleep in a sock drawer; the next, this.

a crinkly plastic bag an empty cardboard box towels straight from the dryer another ferret's tail your ankle, unprovoked the first cold morning of fall a toy still in its packaging static in a fleece blanket literally nothing at all

Field note — vocalization

Dook, dook, dook

It's a small, dry, clucking chuckle — closer to a tongue click than a bark — fired off in twos and threes between hops. Ferret owners learn to listen for it before they see the dance start; it's usually the first sign one is coming.

dook · dook-dook · dook

Consider yourself warned.

Specimen: domestic ferret · Status: delighted · Threat level: none