- Walrus
- Warthog
- Wasp
- Weasel
- Whale
- Wolf
- Woodpecker
- Wombat
- Worm
- Wren
- Wahoo
- Weta
- Waterbuck
- Wapiti
- White Stork
- White-tailed Deer
- White Shark
- Wildebeest
- Wild Boar
- Wild Turkey
- Whiptail Lizard
- Wolf Spider
- West Indian Manatee
- Water Vole
- Wagtail
- Waxwing
- Woodlouse
- Whiting
- Whip-poor-will
- Wigeon
- Warbler
- Wood Turtle
- White Rhinoceros
- Weevil
