Scientist Michael Wethington counts penguin chicks using a clicker counter in an Adelie penguin colony in Tay Head, Joinville Island, Antarctica.

The Greenpeace ship Arctic Sunrise has returned to the Antarctic Peninsula with a team of independent scientists from Stony Brook University, to conduct ground breaking research on remote penguin colonies, many of which have never before been surveyed. To investigate the impacts of the climate crisis on Antarctic penguin populations.