In case of the latter, pack an emergency kit for the trunk that, at the least, contains jumper cables, a flashlight, ice scraper, flares or warning triangles, extra gloves and hats, blankets, snacks, a first aid kit and a small snow shovel and a bag of sand or cat litter to help should your car get stuck in the snow.

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He is thought to have eaten the sand, having mistaken it for the snow penguins swallow to stay hydrated.

BBC: Concern mounts for 'missing' penguin Happy Feet

The bird is thought to have eaten the sand, having mistaken it for the snow penguins swallow to stay hydrated.

BBC: New Zealand's farewell to lost penguin Happy Feet

Their large eyes would have helped them to see in the low light, and their flat feet would have been just as useful for walking on snow as they are on sand.

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Use a shovel to clear snow out of the way of the wheels and pour cat litter, sand or gravel in front of the wheels to help get traction.

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The bird had surgery to remove sand from its stomach - which it is thought to have eaten thinking it was snow - before being released with a tracking device.

BBC: Lost Antarctic penguin dies in New Zealand zoo

He had surgery to remove 3kg (6.6lb) of sand from his stomach, which he is thought to have eaten thinking it was snow, before being released with a tracking device.

BBC: Lost Antarctic Royal penguin found in New Zealand

It takes seven or eight hours and strong legs to hike the whole crossing, past ice-blue crater lakes, over snow-covered ridges and through windswept mountain deserts, where totara trees cling to the soft black volcanic sand.

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