Frederique Olivier / Panning shot from a Snow petrel (Pagodrama nivea) vocalising to another individual bathing in the snow, Antarctica.

Pete Oxford / Chevroned butterflyfish (Chaetodon trifascialis) Rainbow Reef, Fiji, South Pacific.

Fred Bavendam / Chevron Butterflyfish (Chaetodon trifascialis) showing nocturnal coloration, Bali, Indonesia

Fred Bavendam / Chevron Butterflyfish (Chaetodon trifascialis), Bali, Indonesia

GEORGETTE DOUWMA / Chevroned butterflyfish (Chaetodon trifascialis). Raja Ampat, West Papua, Indonesia

Nature Production / Chevroned Butterflyfish {Chaetodon trifascialis} in night color, Amami, Kagoshima, Japan