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Belugas, in addition to their impressive vocal repertoire,
can also emit ultrasonic sounds! The echo that comes back allows them to find
prey, holes in the ice and even obstacles.
The beluga does not have a dorsal fin, but rather
a hump on its back, called a crest. It serves to break the ice that
covers the water when it needs to breathe.
© Parks Canada / Saguenay St. Lawrence
Marine Park Image Gallery / R.Michaud /M-2-3