Every year the American Museum of Natural History in New York puts on a fantastic origami Holiday Tree, featuring lots of great origami from around the world. One year not too long ago the theme was "folding the museum" and I contributed several arctic marine mammals, including this Bull Walrus, inspired by dioramas in the museum's famous "whale room". I developed this model from my seal base. It features a color-change tusk when folded from two-sided paper.

Another gigantic arctic marine mammal, elephant seals' heads have pendulous proboscises that give them their name. My Elephant Seal shares a similar approach to my Walrus, and was in fact designed for the same exhibit. I strove to capture the animal's stance while roaring. Seals and Walruses are subjects that lend themselves to a curved, sculptural approach.

The Narwhal lives in the waters of the Arctic Ocean. One of the strangest of the whales, their most distinctive feature is a long, spiraled ivory tusk on the male of the species, which can grow to be a third of the body length. The exact purpose of the tusk is unknown. Narwhals are awesome!