It’s easy to confuse two animals. Believe me, I do it much too often. I’m talking leopard vs. cheetah or emu vs. ostrich. But it doesn’t have to be as difficult to differentiate between two similar ...

The large northern fur seal, found in chilly northern waters, was hunted to near extinction during the 19th century. These animals were protected by law in 1911, and populations later rebounded to ...