The lonesome fate of this cat relative is a stark reminder of what we have to lose today. — The salty spray of an ocean breeze in the Pacific Northwest stings the eyes of a large catlike creature. The young adult animal pads along a brackish creek towards a shoreline he cannot see, following his nose. The water is calm as the animal steps cautiously from rock to rock alongside the deeper channel, pausing to sniff here and there. With a long tail, feline-looking face, and graceful movements, he looks rather like some kind of large, primitive leopard, but epochs will come to pass before the…