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That information is unnecessary.

That information is completely unnecessary.

The beluga whale lives in the Arctic Ocean.

Delphinus is one of the most beautiful constellations in the night sky.

The Amazon River dolphin is known for its distinctive pink color.

The river dolphin is a rare type of dolphin that lives in freshwater.

A river dolphin is a rare type of dolphin that lives in freshwater.

The harbour porpoise is a small dolphin that lives in the cold sea areas of the Northern Hemisphere.

Chameleons can change their camouflage color to match their surroundings.