Mind of the Raven

I now noticed how kindred such thoughts are to individual birds that glide into view,

Then, in 1962, the Scottish ecologist V. C. Wynne-Edwards, a careful observer of his country’s native red grouse, concluded that these birds sometimes sacrificed their reproductive privileges to keep their flock from starvation. The grouse, Wynne-Edwards contended, gauged the amount of food the moors could provide each year and adjusted their behav