Africa features some dramatic
areas of tectonic activity. Lake Bogoria in Kenya is a volcanic lake,
which is extremely alkaline and saline.
This water, poisonous to many living things, is home to a species of
bacteria which forms blue-green algae.
The algae is an important part of the diet of flamingos, who filter it
from the water and mud with their specially adapted beaks. They flock
to the lake at the start of their dancing flamingo ritual.
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