Aldo Leopold Quote
How would you like to have a thousand brilliantly colored cliff swallows keeping house in the eaves of your barn, and gobbling up insects over your farm at the rate of 100,000 per day? There are many Wisconsin farmsteads where such a swallow-show is a distinct possibility.
"Cliff Swallows to Order" ; Published in For the Health of the Land, J. Baird Callicott and Eric T. Freyfogle (eds.), 1999, p. 119.