It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
The elephant brain weighs about 6,000g.
274
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1
Cat families usually play best in even numbers. Cats and kittens should be acquired in pairs whenever possible!
156
The most expensive cow in the world was sold in 2009 for $1.2 million.
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Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4