17-letter words containing h, a, y, f
- walleye surfperch — a common black and silvery surfperch (Hyperprosopon argenteum) found off the coast of California
- willow flycatcher — a North American flycatcher, Empidonax alnorum, of alder thickets and other moist areas, that has greenish-brown upper parts and whitish underparts and is almost indistinguishable except by voice from E. traillii (willow flycatcher)