Westland Petrel was created in 1946.
Westland Westland was created in 1971.
Westland Aircraft was created in 1915.
Westland Center was created in 1965.
Westland Province was created in 1873.
* Wedge-tailed shearwater * Westland petrel * White-naped petrel * White-headed petrel * White-chinned petrel * Whiroia * Whio * White-faced heron * Wrybill * White-winged black tern * Wandering tattler * Whekau (extinct)
Jouanin's Petrel was created in 1955.
Fea's Petrel was created in 1899.
Desertas Petrel was created in 1934.
Antarctic Petrel was created in 1789.
Pycroft's Petrel was created in 1933.
Phoenix Petrel was created in 1789.
Collared Petrel was created in 1848.