Polar bear Arktos celebrates his fourth birthday

Nov. 28, 2011 at 10:52 AM ET

Holger Hollemann / AFP - Getty Images /
Polar bear Arktos enjoys an ice birthday cake made of fish and vegetables on Nov. 28, at a zoo in Germany.
Holger Hollemann / EPA /
Holger Hollemann / AFP - Getty Images /

Arktos the polar bear enjoyed the cake he was given for his fourth birthday on Nov. 28, especially because it had crunchy carrots instead of candles.

Arktos, his brother Nanuq, and a third polar bear named Sprinter live together in an enclosure, part of the "Yukon Bay"  section in his German zoo.