We walked slowly down the middle of the street, six feet apart, using rutted car tracks in the snow to make the going easier.

NEWYORKER: Midnight in Dostoevsky

Catching sight of a wolf or a bear requires luck and patience, as they are nocturnal, elusive animals, but you may come across their tracks in the snow or the mud.

BBC: Italy��s wilderness, far from the madding crowds

Fire officials in Big Bear Lake told the Los Angeles Times that fresh tracks spotted in the snow were believed to be Mr Dorner's but that it was possible the truck was a diversion.

BBC: Christopher Dorner: LAPD may reopen sacking probe

When Hakan Svartvik saw animal tracks in the fresh snow, he stopped and followed them on foot.

BBC: Sweden wolf cull divides wilderness opinion