Great frigatebird (Fregata minor) in flight near guests on North Seymour Island in the Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

An Atlantic Puffin (Fratercula arctica), in Borgarfjaroarhofn, Iceland, Polar Regions

Adult red-footed booby (Sula sula) head detail in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

An adult Galapagos dove (Zenaida galapagoensis) on Espanola Island in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

An Atlantic Puffin (Fratercula arctica), atop a cliff with an Iceland gull (Larus glaucoides), soaring above in Westman Islands, Iceland, Polar Regions

Young northern gannet (Morus bassanus) in flight near Ile des Oiseaux in the Parc National du Delta du Saloum, UNESCO World Heritage Site, Senegal, West Africa, Africa

Antarctic tern (Sterna vittata), on the wreck of the Guvernoren in the Enterprise Islands, Antarctica, Southern Ocean, Polar Regions

An avocet (Recurvirostra avosetta), at Brownsea Island, a nature reserve in Poole Harbour, Dorset, England, United Kingdom, Europe

A man and woman looking through their binoculars while birding at Utica Reservoir.

A woman looking through her binoculars while birding at Utica Reservoir.

A woman looking through her binoculars while birding at Utica Reservoir.