emperor penguins walking on ice floe, weddell sea, antarctica

group walk walking riiser larsen ice shelf queen maud land coast emperor penguin aptenodytes forsteri floe spheniscidae family sphenisciformes wild animal wildlife penguins ornithology birds birding flightless seabirds animals behavior south atlantic remote lonely polar region antarctic antarctica weddell sea adventure adventurous travel ocean cold snow icy frozen landscape global warming iceberg icebergs day daylight daytime outdoors outdoor outside exterior absence people horizontal