The Rolling Greeting

The rolling greeting is a distinct and fairly formal piece of feline behaviour. A cat approaches, often with its tail up, then drops onto one shoulder and rolls from side to side along the floor, sometimes several times, frequently with a trill or chirrup and a stretch of the front legs. It happens on the arrival of a familiar person, near a doorway, or on the spot where someone habitually sits.

Two things are going on at once. The first is social: rolling exposes the belly and flank, the most vulnerable surfaces a cat has, in front of another individual. Doing so voluntarily is a strong statement that the cat does not expect to be attacked, and it is offered almost exclusively to companions the cat trusts. The second is chemical: cats carry scent glands along the cheeks, chin, flanks and tail base, and rolling on a surface transfers that scent onto it, blending the cat's signature with the shared smell of the home.

The behaviour is particularly conspicuous in unspayed females in season, who roll, vocalise and tread persistently as part of oestrous behaviour, and it appears in a related form in the catnip response, where rolling is one of the four classic components alongside sniffing, licking and head-rubbing. Outside those contexts, in a neutered adult greeting a familiar person, it is straightforwardly social.

The common mistake is to read the exposed belly as a request for a tummy rub. For most cats it is not. The abdomen is thinly protected and highly sensitive, and a hand arriving there can trigger a defensive grab-and-kick reflex — the cat has not changed its mind or tricked you, it simply never offered the belly for touching in the first place. A minority of cats genuinely enjoy belly contact, but they are the exception, and the way to find out is to offer a hand near the head or shoulders and let the cat direct it.

Taken as a greeting rather than an invitation, rolling is one of the warmest signals a cat gives. A cat that flops down and rolls at your feet when you come through the door is telling you it is glad you are back and entirely relaxed about your presence.