Yafle or Yaffle: How To spell?

The word Yafle is misspelled against Yaffle, a noun meaning "The European green woodpecker (Picus, / Genius, viridis). It is noted for its loud laughlike note. Called also eccle, hewhole, highhoe, laughing bird, popinjay, rain bird, yaffil, yaffler, yaffingale, yappingale, yackel, and woodhack."