Stone makes a statement as true today as it was then, the reason why conservationists can never let down their guard: “As one menace is disposed of, … - Scott Weidensaul

Because we humans don’t notice changes that take place slowly, incrementally, we tend to underestimate their cumulative effects, even within the span of one or two lifetimes.

You won’t find the cerulean warbler on the federal Endangered Species list; it is not so far gone as to rate that kind of last-gasp governmental life support, which is usually withheld until it is too late to do much good.

—A Manx shearwater, a small, stocky seabird resembling a gull, was taken from its nest burrow on Skokholm, off Wales, and moved to Boston. It completed the trip home in just twelve days—one day faster than the airmail letter sent from the United States confirming the bird’s release.