1112-4691 - An adult blue whale (Balaenoptera musculus), surfacing in the Drake Passage, Antarctica, Polar Regions

1161-5337 - Male mallard drake and female duck pair sleeping in meadow, The Cotswolds, Oxfordshire, UK

1003-28 - Mallard duck with drake (Anas platyrhynchos). UK

995-102 - Eider Drake and female (Somateria mollissima) swimming together. Eiders raft together in winter, the males all squabbling together, preening, diving and flapping. Eiders come from all over to raft together, Scotland

917-273 - Hourglass Dolphin, Lagenorhynchus cruciger, Female Dolphin porpoising, Drake Passage, Southern Ocean. Females of this species can be identified by the smaller less-hooked dorsal fin and the lack of a post-anal keel.

995-108 - Eider Drake and female (Somateria mollissima) calling and interacting in raft with sun setting. Eiders raft together in winter, the males all squabbling together, preening, diving and flapping. Eiders come from all over to raft together, Scotland

995-105 - Eider Drake and female (Somateria mollissima) calling and flapping wings in winter raft. Eiders raft together in winter, the males all squabiling together, preening, diving and flapping. Eiders come from all over to raft together, Scotland

741-1505 - Antarctic Dream ship, Drake Passage near Cape Horn, South America