Jellyfish as a species are actually older than dinosaurs and sharks.
383
Domestic pigs average a top speed of about 11 miles per hour.
182
Cows can sleep standing up, but they can only dream lying down.
745
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Dogs sometimes fake being sick to get attention.
26
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
The two oldest cats on record lived to 38 and 34 years old, both were owned by the same owner and lived off a diet of bacon, eggs, broccoli and coffee.
12
The most expensive cow in the world was sold in 2009 for $1.2 million.
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