While people were encouraged to stay home and bundle up, Wonders of Wildlife's penguins left their indoor enclosed habitat for the snowy outdoors.

And we were all getting a bit cold and the sound recordist said, ‘Do the penguin dance!’ So we did and it was great fun.” ...

The study illustrated how global temperature changes – oscillations between cold and warm periods – and shifts in major ocean currents have been important drivers of penguin evolution.