" Birds aren’t actually an awfully good analogy. You’d do better to think of us as bees.” “Bees?” said I, taken aback. “Well, we’ve too many limbs to be mammals,” he said reasonably. “And our social structure is much better represented by a hive than by a warren—or even by a rookery. And bees do sing, in a way. "

― Katherine Addison , The Angel of the Crows