Elephants are the only mammals that cannot jump
With four to six tonnes to carry, an elephant always keeps at least one foot on the ground. Even at full speed its gait is a fast walk, not a run.
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See all →A group of flamingos is called a flamboyance
Flamingos are born grey or white. The pink comes from carotenoid pigments in the algae and shrimp they eat — a paler flamingo is usually an underfed one.
Read the fact →Octopuses have three hearts and blue blood
Two hearts pump blood through the gills and one pumps it around the body. Their blood is blue because it uses copper-based haemocyanin instead of iron-based haemoglobin to carry oxygen.
Read the fact →Sea otters hold hands while they sleep
They float on their backs in groups called rafts and hold paws so they do not drift apart on the current. They also wrap themselves in kelp as an anchor.
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