The elephant brain weighs about 6,000g.
274
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
The most expensive cow in the world was sold in 2009 for $1.2 million.
-3
During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Vanilla flavoring is sometimes made with an ingredient from beaver pee.
82
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1