Although all 28 eventually survived, against all the odds, they did not do so unscathed.

Scott then sailed back to pick up his ailing colleagues.

There were also several litters born on the trip.

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Famously, the ship’s male cat, Mrs Chippy, was also shot, but not for food.

Not much fun eating the tough old dogs.

The puppies were more tender.

A picture of Ernest Shackleton in Endurance

ENDURANCE