Juvenile magnificent frigatebird (Fregata magnificens) attacking an Elliot's storm petrel (Oceanites gracilis galapagoensis), Punta Pitt, San Cristobal Island, Galapagos Islands, Ecuador, South America

Juvenile magnificent frigatebird (Fregata magnificens) attacking an Elliot's storm petrel (Oceanites gracilis galapagoensis), Punta Pitt, San Cristobal Island, Galapagos Islands, Ecuador, South America

Adult cape petrels (Daption capense) feeding near Deception Island, Antarctica, Southern Ocean, Polar Regions

Adult Wilson's storm petrels (Oceanites oceanicus), surface feeding at Grytviken, South Georgia, Polar Regions

Adult Wilson's storm petrel (Oceanites oceanicus), surface feeding at Grytviken, South Georgia, Polar Regions

Wilson's storm-petrel (Oceanites oceanicus) daintily feeding in the calm waters of Neko Harbour on the Antarctic Peninsula

Wilson's storm-petrel (Oceanites oceanicus) daintily feeding in the calm waters of Neko Harbour on the Antarctic Peninsula

Wilson's storm-petrel (Oceanites oceanicus) daintily feeding in the calm waters of Neko Harbour on the Antarctic Peninsula

Wilson's storm-petrel (Oceanites oceanicus) daintily feeding in the calm waters of Neko Harbour on the Antarctic Peninsula

Adult Wilson's storm petrel (Oceanites oceanicus) feeding near a larger cape petrel after an iceberg calved near Port Lockroy, near the Antarctic Peninsula

Adult Wilson's storm petrel (Oceanites oceanicus) on the wing and feeding after an iceberg calved near Port Lockroy, near the Antarctic Peninsula

Adult Wilson's storm petrel (Oceanites oceanicus) feeding after Iceberg calved near Port Lockroy, near the Antarctic Peninsula