The faster a kangaroo hops, the less energy it burns!
58
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
The quills of a porcupine are soft when they are born.
90
The cat brain weighs about 30g.
167
Dogs sometimes fake being sick to get attention.
26
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
More than 90% of shark attack victims survive.
41