Arctic Fox

Small beast, unaligned
  Armor Class 12 Hit Points 3 (1d6) Speed 30 ft.
  Str Dex Con Int Wis Cha 4 (-3) 15 (+2) 11 (+0) 3 (-4) 14 (+2) 6 (-2) Skills Perception +4, Stealth +4 Senses passive Perception 14 Languages — Challenge 0 (10 XP) Proficiency Bonus +2
  Special Traits
  Arctic Camouflage. The arctic fox’s snow-white coat grants it a degree of camouflage in snowy terrain. When in snow or ice, the fox has advantage on Stealth rolls. Keen Senses. The arctic fox has advantage on Wisdom (Perception) checks that rely on hearing or smell. Thick Fur. The arctic fox’s fur provides them excellent protection from the cold. Arctic foxes can tolerate temperatures as low as ?50 degrees Fahrenheit without any additional protection. Actions
  Bite. Melee Weapon Attack: +4 to hit, reach 5 ft., 1 target. Hit: 1 piercing damage. About
  The arctic fox is a snowy white vulpine. Resembling a fluffy fox, the arctic fox is an excellent hunter and adept and running through snow.