 In winter, the Afghan snowfinch forms large flocks of dozens or hundreds, sometimes mixed with snowfinches of other species, rock sparrows, and various larks.This species feeds mostly on small seeds, from plants such as "Carex pachystylis", "Convolvulus divaricatus", and "Thuspeinantha persica", and it will also eat insects such as ants and weevils.The Afghan snowfinch builds nests in the burrows and hollows made by rodents, including ground squirrels, marmots, and in one recorded case Williams' jerboa ("Allactaga williamsi").