This meant birds took more light-coloured moths in dark areas, and more dark-coloured moths in light areas.
(This; meant; birds took more light-coloured moths in dark areas) Context(This meant,List([0, 10))):(birds; took; more light-coloured moths in dark areas)
This meant,List([0, 10))
This birds
meant took
birds took more light-coloured moths in dark areas
more light-coloured moths in dark areas