A killer whale's heart beats 30 times a minute under water, 60 times a minute on the surface.
30
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
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 bird 'chews' with its stomach.
33
A moth has no stomach.
23
The 'vintage date' on a bottle of wine indicates the year the grapes were picked, not the year of bottling!
38
It is possible for a scorpion to sting itself to death as they are not immune to their own poison!
39