Frederique Olivier / Cape petrel (Daption capense) perched on a rock, with another individual sitting on a nest nearby vocalising at it, Antarctica.

Frederique Olivier / Cape petrel (Daption capense) vocalising at nest site, Antarctica.

Frederique Olivier / Cape petrel (Daption capense) trying to groom and bond with its partner, Antarctica.

Frederique Olivier / Cape petrel (Daption capense) trying to groom and bond with its partner, Antarctica.

Frederique Olivier / Cape petrel (Daption capense) incubating eggs at nest site, Antarctica.

Frederique Olivier / Cape petrel (Daption capense) incubating eggs at nest site, Antarctica.

Frederique Olivier / Cape petrel (Daption capense) incubating eggs at nest site, Antarctica.

Ann & Steve Toon / Cape turtle dove (Streptopelia capicola) at water. Zimanga private game reserve, KwaZulu-Natal, South Africa. September.

Hanne & Jens Eriksen / Namaqua dove (Oena capensis) male drinking, Oman, April

Brent Stephenson / Cape petrel (Daption capense) feeding on the remains of an Adelie penguin (Pygoscelis adeliae) in water, Brown Bluff, Antarctic Peninsula, Antarctica, January.

Brent Stephenson / Six Cape petrels (Daption capense) feeding on plankton along the edge of a large ground iceberg, Spert Island, Antarctic Peninsula, Antarctica, January.

Brent Stephenson / Cape petrels (Daption capense) flying over sea, Elephant Island, South Shetland Islands, South Atlantic, January.