The cub is becoming increasingly independent. These days mother Venus can relax on nearby rocks while her baby plays in the water.
"Finland's Knut" has become a national sensation and the zoo is expecting the cuddly creature to bring in some 10,000 additional visitors this summer.
The Ranua Zoo is located in south-central Finnish Lapland, east of Kemi.
The polar bear cub is the first to survive birth in Finland.