Berlin Zoo receives new polar bear

The zoo recently acquired Wolodja from a zoo in Moscow and zoo

authorities are hoping he will pair with a female polar bear to

impregnate her with a cub.

Another polar bear cub, Knut, rose to world

fame after he was born at Zoo Berlin zoo and was rejected by his mother. (Getty Images)

Berlin Zoo receives new polar bear

Two-year-old polar bear Wolodja walks in his enclosure at Tiergarten Berlin zoo on August 23, 2013 in Berlin, Germany. (Photo by Sean Gallup/Getty Images)

Berlin Zoo receives new polar bear

Two-year-old polar bear Wolodja shakes water from his fur while swimming in his enclosure at Tiergarten Berlin zoo on August 23, 2013 in Berlin, Germany. (Photo by Sean Gallup/Getty Images)

Berlin Zoo receives new polar bear

Two-year-old polar bear Wolodja shakes water from his fur while swimming in his enclosure at Tiergarten Berlin zoo on August 23, 2013 in Berlin, Germany. (Photo by Sean Gallup/Getty Images)

Berlin Zoo receives new polar bear

Two-year-old polar bear Wolodja shakes water from his fur after swimming in his enclosure at Tiergarten Berlin zoo on August 23, 2013 in Berlin, Germany. (Photo by Sean Gallup/Getty Images)

Berlin Zoo receives new polar bear

Two-year-old polar bear Wolodja shakes water from his fur after swimming in his enclosure at Tiergarten Berlin zoo on August 23, 2013 in Berlin, Germany. (Photo by Sean Gallup/Getty Images)

Berlin Zoo receives new polar bear

ÕBERLIN, GERMANY - AUGUST 23: Two-year-old polar bear Wolodja roles on the ground in his enclosure at Tiergarten Berlin zoo on August 23, 2013 in Berlin, Germany. The zoo recently aquired Wolodja from a zoo in Moscow and zoo authorities are hoping he will pair with a female polar bear to impregnate her with a cub. Another polar bear cub, Knut, rose to world fame after he was born at Zoo Berlin zoo and was rejected by his mother. (Photo by Sean Gallup/Getty Images)

Berlin Zoo receives new polar bear

Two-year-old polar bear Wolodja roles on the ground in his enclosure at Tiergarten Berlin zoo on August 23, 2013 in Berlin, Germany. (Photo by Sean Gallup/Getty Images)

Berlin Zoo receives new polar bear

Two-year-old polar bear Wolodja scratches his underside on the ground in his enclosure at Tiergarten Berlin zoo on August 23, 2013 in Berlin, Germany. (Photo by Sean Gallup/Getty Images)

Berlin Zoo receives new polar bear

Two-year-old polar bear Wolodja walks in his enclosure at Tiergarten Berlin zoo on August 23, 2013 in Berlin, Germany. (Photo by Sean Gallup/Getty Images)

Berlin Zoo receives new polar bear

Two-year-old polar bear Wolodja walks in his enclosure at Tiergarten Berlin zoo on August 23, 2013 in Berlin, Germany. (Photo by Sean Gallup/Getty Images)

Berlin Zoo receives new polar bear

Two-year-old polar bear Wolodja swims in his enclosure at Tiergarten Berlin zoo on August 23, 2013 in Berlin, Germany. (Photo by Sean Gallup/Getty Images)

Berlin Zoo receives new polar bear

Two-year-old polar bear Wolodja walks in his enclosure at Tiergarten Berlin zoo on August 23, 2013 in Berlin, Germany. (Photo by Sean Gallup/Getty Images)

Berlin Zoo receives new polar bear

Two-year-old polar bear Wolodja sticks out his tongue while walking in his enclosure at Tiergarten Berlin zoo on August 23, 2013 in Berlin, Germany. (Photo by Sean Gallup/Getty Images)

Berlin Zoo receives new polar bear

Two-year-old polar bear Wolodja jumps into the water for a swim in his enclosure at Tiergarten Berlin zoo on August 23, 2013 in Berlin, Germany. (Photo by Sean Gallup/Getty Images)

Berlin Zoo receives new polar bear

Two-year-old polar bear Wolodja walks in his enclosure at Tiergarten Berlin zoo on August 23, 2013 in Berlin, Germany. (Photo by Sean Gallup/Getty Images)

Berlin Zoo receives new polar bear

Two-year-old polar bear Wolodja walks in his enclosure at Tiergarten Berlin zoo on August 23, 2013 in Berlin, Germany. (Photo by Sean Gallup/Getty Images)

Berlin Zoo receives new polar bear

Two-year-old polar bear Wolodja walks in his enclosure at Tiergarten Berlin zoo on August 23, 2013 in Berlin, Germany. (Photo by Sean Gallup/Getty Images)

Berlin Zoo receives new polar bear

Two-year-old polar bear Wolodja swims in his enclosure at Tiergarten Berlin zoo on August 23, 2013 in Berlin, Germany. (Photo by Sean Gallup/Getty Images)

Berlin Zoo receives new polar bear

Two-year-old polar bear Wolodja swims in his enclosure at Tiergarten Berlin zoo on August 23, 2013 in Berlin, Germany. (Photo by Sean Gallup/Getty Images)

Berlin Zoo receives new polar bear

Two-year-old polar bear Wolodja scratches himself in his enclosure at Tiergarten Berlin zoo on August 23, 2013 in Berlin, Germany. (Photo by Sean Gallup/Getty Images)

Berlin Zoo receives new polar bear

Two-year-old polar bear Wolodja gnaws on a stick in his enclosure at Tiergarten Berlin zoo on August 23, 2013 in Berlin, Germany. (Photo by Sean Gallup/Getty Images)