Porcupines like to live alone, but in winter they sometimes hole up in long-snouted little gangs inside hollow trees and logs, in cavities made by cracks in boulders, beneath piles of brush, or under your front porch, as sneaky as thieves. A gang of porcupines is called, magnificently, a prickle. They hardly ever venture out. Inside, in the damp and ratty dark, fallen-out quills carpet the floor. In spring, female porcupines raise their babies in those dens. A baby porcupine is called a porcupette. There isn’t a word for a porcupine den, but I humbly propose calling it a quiver, except when it’s a nursery; then it’s a pokey.
The animal kingdom is a densely settled city-state of hives, burrows, lairs, nests, webs, caves, pits, and dens. Lodgings come in…