White Dragon Wyrmling

Medium dragon (Chromatic), chaotic evil
Armor Class 16 (natural armor)
Hit Points 32 (5d8 + 10)
Speed 30 ft., burrow 15 ft., fly 60 ft., swim 30 ft.
STR
14 (+2)
DEX
10 (+0)
CON
14 (+2)
INT
5 (-3)
WIS
10 (+0)
CHA
11 (+0)
Saving Throws Dex +2, Con +4, Wis +2, Cha +2
Skills Perception +4, Stealth +2
Damage Immunities cold
Senses blindsight 10 ft., darkvision 60 ft., passive Perception 14
Languages Draconic
Challenge 2 (450 XP)
Actions

Bite. Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: 7 (1d10 + 2) piercing damage plus 2 (1d4) cold damage.

Cold Breath (Recharge 5-6). The dragon exhales an icy blast of hail in a 15-foot cone. Each creature in that area must make a DC 12 Constitution saving throw, taking 22 (5d8) cold damage on a failed save, or half as much damage on a successful one.

Monster Manual (SRD)