She was not trained in wilderness survival.

Her companions, while alive, may have had more relevant knowledge — particularly the young man, who might have had some experience with firearms and outdoor survival.

But by the time she was alone, she had either learned what she needed to know or she would not have survived.

The shelter question is addressed in some accounts through the mention of a cave — the island apparently had a cave or rock overhang that provided at least partial protection from wind and cold.

A cave shelter is far from ideal for winter in this climate: the temperature inside will drop toward freezing, and without adequate insulation and heating, it is insufficient for human survival in a Gulf of St.