Denmark has twice as many pigs as there are people.
66
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
A lion in the wild usually makes no more than twenty kills a year.
186
A scorpion can hold its breath for up to 6 days.
19
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19