Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
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Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
One in three dog owners say they have talked to their pets on the phone.
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Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
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The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
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