1. North American subspecies of tundra swan having a soft whistling note
   - whistling swan

Type of: Cygnus columbianus, tundra swan

• Lasiocampidae
• Lasiurus
• Lasiurus borealis
• Lasix
• Laskar Jihad
• lass
• Lassa
• Lassa fever
• Lassa virus
• Lassen Volcanic National Park
• lassi
• lassie
• lassitude
• lasso
• last
• last but not least
• Last Day
• Last Frontier
• last gasp
• last half
• last hurrah
• last in first out
• Last Judgement
• Last Judgment
• last laugh