It has black button eyes and long, thin whiskers that tremble when it looks around curiously.
Unlike most rats, this one has a name, Plume, and gets to enjoy the rare privilege of wandering around Paris on the shoulder of its owner, a local politician.
Gregory Moreau, a Paris district deputy mayor, is on a mission to reconcile residents with the capital's population of rats which, it is said, outnumber the inner city's two million human residents by a big margin.
"Hello, have you ever seen a rat?", Moreau asked an unsuspecting woman carrying two shopping bags around a market in Belleville, a bustling eastern Parisian neighbourhood. "Look what I'm carrying on my shoulder."
The woman eyed the rodent sceptically, then broke out in a smile. "Is that Ratatouille?", she asked, a reference to