They're not changing the water as often at the Higashiyama zoo. Maybe they should make an exception for the polar bear pond.
The increased algae has entered the bears' hollow hairs and the result is green polar bears.
On the other hand, it makes for a great publicity stunt. I mean really, how many of you had heard of the Higashiyama zoo before?
And on a more serious note, how many realized that polar bears had hollow, transparent hairs? The hollowness is for insulation purposes, of course. And polar bears normally appear white because they reflect back the full spectrum of light, just like snow.
Walrus is pleased to present this infotainment moment as a free public service.
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