17-letter words containing all
- walleye surfperch — a common black and silvery surfperch (Hyperprosopon argenteum) found off the coast of California
- wallis and futuna — French overseas territory in the South Pacific, northeast of the Fiji Islands: it consists of two groups of islands (Wallis Islands and Futuna Islands): c. 106 sq mi (275 sq km); pop. 14,000
- wallowa mountains — a mountain range in NE Oregon. Highest peak, Sacajawea Peak, 9838 feet (2999 meters).
- yellowstone falls — a waterfall in NW Wyoming, in Yellowstone National Park on the Yellowstone River
- zebra swallowtail — a swallowtail butterfly, Papilio marcellus, having black and greenish-white stripes on the wings.
- zoogeographically — In a zoogeographical way.