These can seem quite terrifying but are not exceptionally dangerous. Some tiny fey creatures occasionally use them as mounts.
Giant Swan
Medium beast, unaligned
Armor Class: 13
Hit Points: 26 (5d8+5)
Speed: 20ft., Swim 20 ft., Fly 50 ft.
STR 9 (-1)
DEX 14 (+2)
CON 12 (+1)
INT 4 (-3)
WIS 14 (+2)
CHA 10 (+0)
Saving Throws: Str -1, Dex + 2, Con + 1, Int -4, Wis + 2, Cha +2
Skills: Intimidation +2, Perception +4
Senses: Passive Perception 14
Languages: –
Challenge: 1/8 (10 XP)
Traits
Intimidating Wings. A swan has advantage on Charisma (Intimidation) checks.
Tiny Rider. A tiny creature may use a giant swan as a mount.
Actions
Multiattack. A swan may make one Peck and one Wing Buffet attack.
Peck. Melee Weapon Attack: +4 to hit, reach 10 ft., one target. Hit: 5 (1d6 + 2) piercing damage.
Wing Buffet. Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: 1 point of Bludgeoning damage, and the target is at -1d4 to their next Attack or Attribute check on their next action.
Credit: Sean Holland