"The Oleria quadrata belongs to the clearwing family and is a breed that feeds on aster then passes its alkaloids during mating to the poor and, I assume, unaware female butterfly to render her repugnant to other males."
"Ghost crabs (Ocypode quadrata) inhabit the dry upper portions of beaches, although several times a day they must return to ocean waters to wet their gills."
"The letterpress landscape is littered with Qs: quad (short for quadrat), quoin, quarto, quire, question & quotation marks, even quadrata (Roman inscriptional capitals, of which I am particularly fond)."