Answer: polarbear

AnswerCrossword Clue
POLARBEARAnimal whose binomial name is Ursus maritimus
POLARBEARSeal hunter
POLARBEARArctic denizen
POLARBEARArctic carnivore
POLARBEARWhite mammal
POLARBEARPerson who swims in winter.
POLARBEARWhite sight at a zoo
POLARBEARArctic animal
POLARBEARKlondike bar symbol
POLARBEARArctic creature
POLARBEARNorthern carnivore
POLARBEARPessimist from Antarctica?