Eladio Fernandez / Portrait of a Brown Noddy (Anous stolidus) in Cayos Siete Hermanos, Montecristi, Dominican Republic.

Oriol Alamany / Brown Noddy (Anous stolidus) on ground, Blinky Beach, Lord Howe island, Lord Howe Island Group UNESCO Natural World Heritage Site, New South Wales, Australia

Oriol Alamany / Brown noddy (Anous stolidus) at Blinky Beach, Lord Howe island, Lord Howe Island Group UNESCO Natural World Heritage Site, New South Wales, Australia

Oriol Alamany / Brown Noddy (Anous stolidus) on ground, Neds beach, Lord Howe island, Lord Howe Island Group UNESCO Natural World Heritage Site, New South Wales, Australia, October 2012.

Tui De Roy / Brown noddies (Anous stolidus) sitting on Brown pelican (Pelecanus occidentalis) to watch for and catch escaping fish. Galapagos

Tui De Roy / Brown noddy (Anous stolidus) catch escaping fish from Brown pelican (Pelecanus occidentalis) Galapagos

Tui De Roy / Brown noddy (Anous stolidus) sitting on Brown pelicans (Pelecanus occidentalis) to watch for and catch escaping fish. Galapagos

Tui De Roy / Brown noddy (Anous stolidus) sitting on Brown pelicans (Pelecanus occidentalis) to watch for and catch escaping fish. Galapagos

Tui De Roy / Brown noddy (Anous stolidus) foraging near Brown pelicans (Pelecanus occidentalis) to watch for and catch escaping fish. Galapagos

Tui De Roy / Brown noddy (Anous stolidus) sitting on Brown pelicans (Pelecanus occidentalis) to watch for and catch escaping fish. Galapagos

Tui De Roy / Brown noddy (Anous stolidus) sitting on Brown pelicans (Pelecanus occidentalis) to watch for and catch escaping fish. Galapagos

Tui De Roy / Brown noddy (Anous stolidus) sitting on Brown pelicans (Pelecanus occidentalis) to watch for and catch escaping fish. Galapagos

Tui De Roy / Brown noddies (Anous stolidus) preening on rock face, Punta Vicente Roca, Isabela Island, Galapagos, Ecuador.

Tui De Roy / Brown noddies (Anous stolidus) perched on rock face, Punta Vicente Roca, Isabela Island, Galapagos, Ecuador.

Tui De Roy / Brown noddy (Anous stolidus) pair on rock face, Punta Vicente Roca, Isabela Island, Galapagos, Ecuador.

Tui De Roy / Brown noddies (Anous stolidus) in flight over water, Galapagos, Ecuador.

Tui De Roy / Brown noddy (Anous stolidus) pair in courtship display, Punta Vicente Roca, Isabela Island, Galapagos, Ecuador.

Tui De Roy / Brown noddy (Anous stolidus) pair in courtship display, Punta Vicente Roca, Isabela Island, Galapagos, Ecuador.

Robin Chittenden / Brown noddy (Anous stolidus) two sitting on coastal rocks, Trinidad and Tobago April

Hanne & Jens Eriksen / Brown noddy (Anous stolidus) on the sea, Oman, November

Nate Chappell/ BIA / Brown Noddy (Anous stolidus) on Brown Pelican (Pelecanus occidentalis) juvenile to try and steal fish, Galapagos Islands, Ecuador

Pete Oxford / Brown Noddy (Anous stolidus) pair on cliff, Galapagos Islands, Ecuador

Brent Stephenson / Adult Brown noddy (Anous stolidus) in fresh plumage, yawning with bill wide open. Lady Elliot Island, Great Barrier Reef, Australia. March.

Hanne & Jens Eriksen / Brown noddy / Common noddy (Anous stolidus) on buoy, Oman, September

Tui De Roy / Brown Noddy (Anous stolidus), opportunistically chasing fish escaping diving Brown Pelicans (Pelecanus occidentalis) Itabaca Channel, Santa Cruz Island, Ecuador

Tui De Roy / Brown Noddy (Anous stolidus), opportunistically chasing fish escaping diving Brown Pelicans (Pelecanus occidentalis) Itabaca Channel, Santa Cruz Island, Ecuador

Tui De Roy / Brown Noddy (Anous stolidus) on cliff with Sally Lightfoot Crab (Grapsus grapsus) group, Punta Vicente Roca, Isabela Island, Galapagos Islands, Ecuador

Mark MacEwen / Brown Noddies (Anous stolidus) roosting in nest in persoinas tree at night, Heron Island, southern Great Barrier Reef, Queensland, Australia. Taken with infra-red camera.

Mark MacEwen / Noddy Turns (Anous stolidus) pair on Heron Island, southern Great Barrier Reef, Queensland, Australia.

Laurent Geslin / Common / Brown noddy pair {Anous stolidus} Tobago, Caribbean

Michael Pitts / Brown noddy terns (Anous stolidus) Midway Island. Central Pacific.

Ben Lascelles / Brown / Common Noddy (Anous stolidus) over water. Islas Frailes del Sur, Azuero Peninsula, Panama.

Ben Lascelles / Brown / Common Noddy (Anous stolidus) over water. Islas Frailes del Sur, Azuero Peninsula, Panama.

Kevin Schafer / Brown Noddy (Anous stolidus) and Sally Lightfoot Crabs (Grapsus grapsus), Galapagos Islands, Ecuador

Yukihiro Fukuda / White capped / Black noddy (Anous minutus) and Brown noddy (Anous stolidus) resting on tree, Christmas Island, Indian Ocean, July

Yukihiro Fukuda / White capped / Black noddies (Anous minutus) and Brown noddies (Anous stolidus) resting in a tree, Christmas Island, Indian Ocean, July

Tui De Roy / Brown / Common noddy (Anous stolidus) taking flight from water. Santa Cruz Island, Galapagos, June.

Brent Stephenson / Common / Brown Noddy (Anous stolidus) chick at its nest, panting in the heat. Motu Omai, Rangiroa Atoll, Tuamotus, French Polynesia, November.

Tui De Roy / Brown Noddy (Anous stolidus) flying, Galapagos Islands, Ecuador

Pete Oxford / Brown Pelican {Pelecanus occidentalis} with Common noddy {Anous stolidus} perched on its head, San Cristobal Is, Galapagos

Staffan Widstrand / Common noddy tern {Anous stolidus} Lady Eliot Is, Australia

Chris Gomersall / Common noddy {Anous stolidus} calling, Cousin Island, Seychelles

Dave Watts / Two Common noddies {Anous stolidus} at nest

Dave Watts / Common noddy {Anous stolidus} profile on vegetation.

Hanne & Jens Eriksen / Common noddy {Anous stolidus} on rock with bill open, Daymaniyats, Oman

Hanne & Jens Eriksen / Common noddy {Anous stolidus} landing, Daymaniyats, Oman

Hanne & Jens Eriksen / Common noddy {Anous stolidus} in flight, Daymaniyats, Oman

Hanne & Jens Eriksen / Common noddy {Anous stolidus} on rock with bill open, Daymaniyats, Oman

Hanne & Jens Eriksen / Common noddy {Anous stolidus} on nest with one egg, Daymaniyats, Oman

Hanne & Jens Eriksen / Common noddy {Anous stolidus} in flight calling, Daymaniyats, Oman

Staffan Widstrand / Common noddy profile portrait {Anous stolidus} Barrier reef, Australia.

Tui De Roy / Brown Noddy (Anous stolidus) group attempting to snatch fish from Brown Pelican (Pelecanus occidentalis), Academy Bay, Santa Cruz Island, Galapagos Islands, Ecuador

Tui De Roy / Brown Noddy (Anous stolidus) attempting to snatch fish from Brown Pelican (Pelecanus occidentalis), Academy Bay, Santa Cruz Island, Galapagos Islands, Ecuador

Tui De Roy / Brown Noddy (Anous stolidus) attempting to snatch fish from Brown Pelican (Pelecanus occidentalis), Academy Bay, Santa Cruz Island, Galapagos Islands, Ecuador

Barrie Britton / Common noddy pair in coconut tree, Seychelles

Dave Watts / Common noddy {Anous stolidus}

Tui De Roy / Brown Noddy (Anous stolidus), opportunistically chasing fish escaping diving Brown Pelicans (Pelecanus occidentalis) Itabaca Channel, Santa Cruz Island, Ecuador

Tui De Roy / Brown Noddy (Anous stolidus), opportunistically chasing fish escaping diving Brown Pelicans (Pelecanus occidentalis) Itabaca Channel, Santa Cruz Island, Ecuador

Tui De Roy / Brown Noddy (Anous stolidus), opportunistically chasing fish escaping diving Brown Pelicans (Pelecanus occidentalis) Itabaca Channel, Santa Cruz Island, Ecuador

Tui De Roy / Brown Noddy (Anous stolidus) group on cliff, Punta Vicente Roca, Isabela Island, Galapagos Islands, Ecuador

Tui De Roy / Brown Noddy (Anous stolidus) pair on ledge, Punta Vicente Roca, Isabela Island, Galapagos Islands, Ecuador

Luciano Candisani / Brown Noddy (Anous stolidus) sitting on a washed up nautical buoy, Rocas Atoll, Brazil

David Tipling / Brown noddy (Anous stolidus) perched among foliage, Wizard Island, Cosmoledo Atoll, Seychelles.

Roland Seitre / Four Common noddies (Anous stolidus) portrait, Reunion Island, Indian Ocean.

Roland Seitre / Common noddy (Anous stolidus) flock in flight over lagoon, Rangiroa, Tuamotus, French Polynesia.

Roland Seitre / Common noddy (Anous stolidus) perched in tree, Rangiroa, Tuamotus, French Polynesia.

Suzi Eszterhas / Brown noddy (Anous stolidus) sitting in nest with chick, Isabela Island, Galapagos Islands, Ecuador.

Tui De Roy / Seven Brown noddies (Anous stolidus) perching on cliff face. Galapagos Islands, Ecuador.

Tui De Roy / Brown noddy (Anous stolidus) perched on barnacle (Cirripedia) covered rocks. Galapagos Islands, Ecuador.

Lucas Bustamante / Brown noddies / Common noddies (Anous stolidus) and Brown pelicans (Pelecanus occidentalis) fishing along rocky coastline, Santiago Island, Galapagos National Park, Pacific Ocean.

Lucas Bustamante / Three Brown noddies / Common noddies (Anous stolidus) trying to steal a fish from a Brown pelican (Pelecanus occidentalis), Santiago Island, Galapagos Islands, Pacific Ocean.

Tui De Roy / Brown Noddy (Anous stolidus) on rock embedded in cliff, Punta Vicente Roca, Isabela Island, Galapagos Islands, Ecuador

Tui De Roy / Brown Noddy (Anous stolidus) on rock embedded in cliff, Punta Vicente Roca, Isabela Island, Galapagos Islands, Ecuador

Tui De Roy / Brown noddy (Anous stolidus) perching on rock face, Isabela Island, Galapagos, South America.

Tui De Roy / Brown noddy (Anous stolidus) calling, with Sally-lightfoot crab (Grapsus grapsus) on rock face, Isabela Island, Galapagos, South America.

Tui De Roy / Brown noddies (Anous stolidus) perching on volcanic tuff, erosion showing layering of volcanic ash, Isabela Island, Galapagos, South America.

Doug Wechsler / Brown noddy (Anous stolidus) flock in flight, Santa Cruz, Galapagos.

Tui De Roy / Brown noddy (Anous stolidus) two mobbing Brown pelican (Pelecanus occidentalis) Turtle Cove, Santa Cruz Island, Galapagos.

David Tipling / Brown / Common noddy (Anous stolidus) flying with seaweed for nest, Alphonse Atoll, Seychelles