Wondernose: What animal is called gray, yet it may be black, silver, spotted—even green?

Wondernose: What animal is called gray, yet it may be black, silver, spotted—even green?

These animals are big. Adults weigh around 600 pounds (270 kg), and they can be over 9 feet (3 m) long. As our riddle mentions, their fur can have some interesting markings. Dalmatian-like spots are sometimes seen on the necks of females. Males are usually...