Not just an animal

Half his fur white, like the froth of sea waves.
His claws are sharp,
But He runs from danger.
He hides under chairs and desks like they're no stranger.
He has no fear, but runs all year.

Half his fur brown, like the dry dirt of the outback.
His calls a warning, of something coming
He runs on the wind silently moving
Hiding then running to any place so cunning, as to trick.

He is just a pig
A Guinea pig
But he'll get you running as he's quick,
So catching him will be a chore.

But that chore will be quick,
Because I know his every trick,
Because he's not just an animal,
He's my friend.