The most expensive cow in the world was sold in 2009 for $1.2 million.
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An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
The cat brain weighs about 30g.
167
Queen ants have one of the longest life-spans of any known insect - typically up to 30 years. Western harvester ant queens can live up to 40 years!
2
By putting a frog in a bucket of milk, scientists following up on an ancient Russian way of keeping milk from going sour have identified a wealth of new antibiotic substances.
9
Bats sleep 18-20 hours per day.
5