Walter Alois Weber was an American mammalogist, animal artist, and illustrator for National Geographic. He was noted for his colorful and realistic-looking sketches and paintings of animals, particularly wild cats, Alaska Peninsula brown bears, American black bears, coyotes, and dog breeds, including retrievers, hounds, and sporting dogs. He also painted portraits of many other birds, mammals, and reptiles. His work in the National Geographic caught the public's attention from 1939 to 1968. In 1967, he was given the Conservation Service Award.