“Human material culture - the buildings and roads and works that would strike any human as an obvious sign of intelligence - had for years seemed like part of an elaborate mating ritual to the starlings, useless and flamboyant as the peacock's tail.” PerspectiveCivil EngineeringMating RitualsMating RitualSocial Anthropology Book:Analog Science Fiction and Fact, Volume 132, Issue 6, June 2012 Source: Analog Science Fiction and Fact, Volume 132, Issue 6, June 2012