Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Mahatma Gandhi used to travel with his goat so that he could have fresh milk.
11
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
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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
When the "Elephant Whisperer" Lawrence Anthony died, a whole herd of elephants arrived at his house to mourn him.
25