Why do feral pigeons seem to build such hilariously low-effort nests? Perhaps their reasons are beyond our understanding. And before we go insulting pigeons, let's remind ourselves that humans domesticated these special birds thousands of years ago, used them for their meat and excellent homing abilities, and then abandoned them when they weren't so useful anymore. Domesticated pigeons became feral pigeons—cunning little masters of urban survival; creatures that thrive despite tireless municipa…