Jan Vermeer / Pintado Petrel (Daption capense) flying, Brown Bluff, Antarctica

Jan Vermeer / Black-browed Albatross (Thalassarche melanophrys) and Pintado Petrel (Daption capense) flying, Drake Passage, Antarctica

Thomas Mangelsen / Antarctic Giant Petrel (Macronectes giganteus) flying above an iceberg, Antarctica Peninsula, Antarctica

Flip Nicklin / Humpback Whale (Megaptera novaeangliae) diving amid flocking seabrids that are feeding on herring, vulnerable, Aleutian Islands, Alaska

Tui De Roy / Northern Fulmar (Fulmarus glacialis) nesting among sea thrift and other maritime plants along sea cliff, Sumborough Head, Shetland Islands, United Kingdom

Flip de Nooyer / Antarctic Giant Petrel (Macronectes giganteus) incubating eggs on ground nest, Antarctica