White Madagascar Frog 
White-edged tree frog 
White-lined leaf frog 
White-lipped bright-eyed frog 
White-lipped frog 
White-lipped tree frog 
White-spotted Foot-flagging Frog 
Wood frog 
Woodhouses Toad 
Wright's mountain tree frog 
Yellow Cururu Toad 
Yellow-banded poison dart frog 
Yellow-bellied poison frog 
Yellow-bellied toad 
Yellow-flecked Glass Frog 
Yellow-striped poison frog 
Yonahlossee salamander 
Yucatan Casqueheaded Frog 
Zhangixalus pachyproctus 
Zimmermans poison frog 
Zurucuchu robber frog