1. Eurasian subspecies of tundra swan; smaller than the whooper
   - Bewick's swan

Type of: Cygnus columbianus, tundra swan

• sailing warship
• sailing-race
• sailmaker
• sailor
• sailor boy
• sailor cap
• Sailor King
• sailor suit
• sailor's breastplate
• sailors choice
• sailplane
• sailplaning
• Saimiri
• Saimiri sciureus
• sain
• sainfoin
• saint
• Saint Agnes's Eve
• Saint Ambrose
• Saint Andrew
• Saint Andrew the Apostle
• Saint Anselm
• Saint Anthony's fire
• Saint Athanasius
• Saint Augustine