Adult Weddell seal (Leptonychotes weddellii) hauled out on ice near the Antarctic Peninsula, Southern Ocean, Polar Regions

A ringed seal (Pusa hispida) near its breathing hole in Storfjorden, Svalbard, Norway, Scandinavia, Europe

Humpback whale, megaptera novaeangliae. back and blowhole at sunset; mountains as backdrop; evening light

Minke whale (Balaenoptera acutorostrata) at the surface to breath with blow hole open. Characteristic white bands on the flipper visible thorugh the water. Hebrides, Scotland (1 of 2 images).

Minke whale (Balaenoptera acutorostrata) showing the characteristic single ridge down between the blow hole and rostrum. Hebrides, Scotland

Minke whale (Balaenoptera acutorostrata) at the surface to breath with blow hole open. Characteristic white bands on the flipper visible thorugh the water. Hebrides, Scotlan

Fin whale (Balaenoptera physalus) with water vapour from blow and blow hole visible. Bay of Biscay, SW Europe. (RR)

Breathing hole in Scallop, Giant Clam (Tridacna sp.), Selayar Island, West coast, South Sulawesi, Indonesia, Java Sea, Indian Ocean

Watching a breathing hole of a seal. Inuit hunter wearing traditional trousers and boots made from polar bear fur on the sea ice of the Melville Bay near Kullorsuaq in North Greenland. North America, danish teritorry

Watching a breathing hole of a seal. Inuit hunter wearing traditional trousers and boots made from polar bear fur on the sea ice of the Melville Bay near Kullorsuaq in North Greenland. North America, danish teritorry