Mark Carwardine / Smoothtail Ray / Mobula (Mobula thurstoni) flying out of the water, Baja California, Sea of Cortez (Gulf of California), Mexico

Ole Jorgen Liodden / Black-browed Albatross (Thalassarche melanophris) in flight low over ocean near Maquarie Island, Australia. November.

Ole Jorgen Liodden / Shy Albatross (Thalassarche cauta) in flight, Auckland Islands, New Zealand. November.

Ole Jorgen Liodden / Southern Royal Albatross (Diomedea epomophora) in flight low over ocean, Auckland Island, New Zealand. November.

Claudio Contreras / Royal Tern (Thalasseus maximus), El Requeson, Gulf of California, Baja California Peninsula, Mexico, December.

Brent Stephenson / Buller's albatross (Thalassarche bulleri) flying low with wing tip cutting the surface of a calm sea. Off Napier, Hawkes Bay, New Zealand.

Brent Stephenson / Flying fish (probably Cypselurus lineatus) in flight above the water. Off Whitianga, Coromandel Peninsula, New Zealand.

Brent Stephenson / Buller's shearwater (Puffinus bulleri) in flight low over the water, showing upperwing. Off Whitianga, Coromandel Peninsula, New Zealand.

Brent Stephenson / Salvin's albatross (Thalassarche salvini) in flight against a blue sky, off Kaikoura, Canterbury, New Zealand.

Brent Stephenson / Salvin's albatross (Thalassarche salvini) in flight low over the sea, off Kaikoura, Canterbury, New Zealand.

Brent Stephenson / Flying Fish (possibly Cheilopogon suttoni) skimming across sea surface. Between the Tuamotus and Marquesas, French Polynesia, Pacific Ocean, October.

Juergen Freund / Fruit bats (Megachiroptera) flying out from the island where they roost during the day. Raja Ampat, West Papua, Indonesia, February 2010

Brent Stephenson / Sooty Tern (Onychoprion / Sterna fuscatus) seen from below in flight. Mauipihaa (Mopelia), French Polynesia, November.

Brent Stephenson / White / Fairy Tern (Gygis alba) in flight against a blue sky. Motu Omai, Rangiroa Atoll, Tuamotus, French Polynesia, November.

Tim Laman / Waved Albatross (Phoebastria irrorata) in flight, soaring, Galapagos, Critically endangered

Claudio Contreras / Laysan albatross (Phoebastria immutabilis) flying, silhouetted against the sky, Guadalupe Island Biosphere Reserve, off the coast of Baja California, Mexico, April

Pete Oxford / Waved albatross (Phoebastria irrorata) in flight with storm clouds, Punto Cevallos, Española (Hood) Island, Galapagos islands, Equador, South America

Michael Durham / Pallid Bat (Antrozous pallidus) flying at night, Washington

Michael Durham / Pallid Bat (Antrozous pallidus) flying at night, Washington

Sebastian Kennerknecht / White Tern (Gygis alba) flying over beach, Midway Atoll, Hawaiian Leeward Islands, Hawaii

Tim Laman / Sooty terns (Onychoprion fuscatus) hover over their nesting colony on Teuaua Islet, off Ua Huka Island, Marquesas Islands, French Polynesia.

Michael Durham / Bald-faced Hornet (Dolichovespula maculata) flying, western Oregon

Michael Durham / Honey Bee (Apis mellifera) worker collecting nectar from Red Clover (Trifolium pratense) flowers, note the pollen baskets on the legs, northwest Oregon

Michael Durham / Bumblebee (Bombus morrisoni) queen, flying toward Sweet Pea flowers in the Deschutes National Forest, Oregon

Michael Durham / Silver-haired Bat (Lasionycteris noctivagans) illustrating wing movement during flight, Rogue River National Forest, Oregon, digital composite

Michael Durham / Western Long-eared Myotis (Myotis evotis) about to drink from a man-made guzzler, high-desert transition zone in the Deschutes National Forest, Oregon

Michael Durham / California Darner (Rhionaeschna californica) dragonfly, photographed with a high-speed camera, coastal mountains, Oregon

Michael Durham / Yuma Myotis (Myotis yumanensis) bat, female pursuing a moth on the wing, Oregon

Michael Durham / Western Pipistrelle (Pipistrellus hesperus) bat flying over desert scrub, near Pine Creek in the John Day Fossil Beds National Monument, Clarno Unit, Oregon, this is the smallest bat found north of Me...

Michael Durham / Eight-spotted Skimmer (Libellula forensis) dragonfly male flying, photographed with a high-speed camera system in the coastal mountains of Oregon, near Florence

Michael Durham / Bumblebee (Bombus huntii) flying toward the camera after collecting nectar from a Rhododendron flower, northeast Oregon

Michael Durham / Western Gull (Larus occidentalis) flock flying over the Oregon coast

Michael Durham / Honey Bee (Apis mellifera) flying hovering over pink flowers, Sauvie Island, Oregon

Todd Pusser / California flying fish {Cypselurus californicus} in flight above sea surface, Pacific.

Michael Durham / Honey Bee (Apis mellifera) flying, Sauvie Island, Oregon

Tui De Roy / White Tern (Gygis alba) hovering in search of nest site, Midway Atoll, Hawaii

Tui De Roy / Black-footed Albatross (Phoebastria nigripes) taking off from beach, Midway Atoll, Hawaii

Michael Pitts / Red tailed tropic bird flying, Midway Atoll, Pacific Ocean

Ben Lascelles / Bare-throated tiger-heron (Tigrisoma mexicanum) pair displaying, Coiba National Park, Coiba Islands, Panama, September

Ben Lascelles / Bare-throated tiger-heron (Tigrisoma mexicanum) pair displaying, Coiba National Park, Coiba Island, Panama, September

Tim Fitzharris / Gull (Larus sp) flock taking flight, Refugio State Beach, California

Mark Carwardine / Dead grey whale (Eschrichtius robustus) floating on water surface; gulls feeding on carcass, San Ignacio Lagoon, Baja California, Mexico

Mark Carwardine / Smoothtail Ray / Mobula (Mobula thurstoni) flying out of water, Baja California, Sea of Cortez (Gulf of California), Mexico

Mark Carwardine / Group Smoothtail mobula / Ray (Mobula thurstoni) leaping out of the water, Baja California, Sea of Cortez (Gulf of California), Mexico

Mark Carwardine / Smoothtail Mobula / Ray (Mobula thurstoni) flying out of the water, Baja California, Sea of Cortez (Gulf of California), Mexico

Ole Jorgen Liodden / Pacific Gull (Larus pacificus) in flight. Tasmania. December.

Ole Jorgen Liodden / Campbell Albatross (Thalassarche impavida) in flight over ocean, Campbell Island, New Zealand. November.

Ole Jorgen Liodden / Shy Albatross (Thalassarche cauta) in flight, Auckland Islands, New Zealand. November.

Ole Jorgen Liodden / Auckland Shag (Leucocarbo / Phalacrocorax colensoi) in flight with plant material in its beak. Auckland Islands, New Zealand. November.

Ole Jorgen Liodden / Light-mantled Albatross (Phoebetria palpebrata) in flight, Auckland Islands, New Zealand. November.

Ole Jorgen Liodden / Light-mantled Albatross (Phoebetria palpebrata) in flight, Auckland Islands, New Zealand. November.

Ole Jorgen Liodden / Black-bellied Storm-petrel (Fregatta tropica) flying in front of surf near Auckland Islands, New-Zealand. November.

Ole Jorgen Liodden / Shy Albatross (Thalassarche cauta) in flight, Snares Islands, New Zealand. November.

Ole Jorgen Liodden / Broad-billed Prion (Pachyptila vittata) flying low over ocean near Snares Islands, New Zealand. November.

Ole Jorgen Liodden / Fulmar Prion (Pachyptila crassirostris) flying low over ocean near Snares Islands, New Zealand. November.

Claudio Contreras / Royal Tern (Thalasseus maximus) in flight El Requeson, Gulf of California, Baja California Peninsula, Mexico, December.

Richard Herrmann / Humpback Whale (Megaptera novaeangliae) and Brown Pelicans (Pelecanus occidentalis) feeding on Northern Anchovies (Engraulis mordax), Avila Bay, California

Tui De Roy / Galapagos shearwater (Puffinus subalaris) in flight over Pacific ocean surface, Isabela Island, Galapagos

Mark Payne-Gill / Munk's devil rays (Mobula munkiana) leaping from water, San Jose Del Cabo, Baja, Mexico

Mark Payne-Gill / Munk's devil ray (Mobula munkiana) leaping from water, San Jose Del Cabo, Baja, Mexico

Mark Payne-Gill / Munk's devil ray (Mobula munkiana) leaping from water, San Jose Del Cabo, Baja, Mexico

Mark Payne-Gill / Munk's devil ray (Mobula munkiana) leaping from water, San Jose Del Cabo, Baja, Mexico

Mark Payne-Gill / Munk's devil ray (Mobula munkiana) leaping from water, San Jose Del Cabo, Baja, Mexico

Brent Stephenson / Flying fish (probably Cypselurus lineatus) in flight above the water. Off Whitianga, Coromandel Peninsula, New Zealand.

Brent Stephenson / Flying fish (probably Cypselurus lineatus) in flight above the water. Off Whitianga, Coromandel Peninsula, New Zealand.

Brent Stephenson / Campbell albatross (Thalassarche impavida) in flight low over the waves, off Whitianga, Coromandel Peninsula, New Zealand.

Brent Stephenson / Grey-faced petrel (Pterodroma macroptera gouldi) in flight against the sea, showing upperwing. Off the Three Kings, Far North, New Zealand. March.

Brent Stephenson / White chinned petrel (Procellaria aequinoctialis) in flight low over the water. Off Kaikoura, Canterbury, New Zealand.

Brent Stephenson / New Zealand albatross (Diomedea antipodensis) flying low over the sea with land in the background. Off Kaikoura, Canterbury, New Zealand.

Brent Stephenson / White-capped albatross (Thalassarche steadi) flying low over the sea with reflection, off the coast of Fiordland, New Zealand.

Brent Stephenson / Buller's albatross (Thalassarche bulleri) flying low over a calm sea. Off Napier, Hawkes Bay, New Zealand.

Brent Stephenson / Buller's shearwater (Puffinus bulleri) in flight low over the sea, off Kaikoura, Canterbury, New Zealand.

Brent Stephenson / White chinned petrel (Procellaria aequinoctialis) in flight low over the water off Kaikoura, Canterbury, New Zealand.

Brent Stephenson / White-faced storm-petrel (Pelagodroma marina) in flight low over the water, showing upperwing. Off the Three Kings, Far North, New Zealand.

Brent Stephenson / Campbell albatross (Thalassarche impavida) in flight close up, off Whitianga, Coromandel Peninsula, New Zealand.

Brent Stephenson / Flying fish (probably Cypselurus lineatus) in flight above the water, with tail breaking the surface creating a zig-zag as it gains more momentum to continue flying. Off Whitianga, Coromandel Peninsul...

Brent Stephenson / Southern black backed / kelp gull (Larus dominicanus) in flight low over the sea with a wave behind, off Kaikoura, Canterbury, New Zealand

Brent Stephenson / White chinned petrel (Procellaria aequinoctialis) in flight off Kaikoura, Canterbury, New Zealand.

Brent Stephenson / Buller's albatross (Thalassarche bulleri) flying in a strong breeze, showing underwing. Solander Islands, Southland, New Zealand.

Brent Stephenson / Salvin's albatross (Thalassarche salvini) in flight with land in the background, off Kaikoura, Canterbury, New Zealand.

Brent Stephenson / New Zealand albatross (Diomedea antipodensis) in flight against a blue sky, off Kaikoura, Canterbury, New Zealand.

Brent Stephenson / Buller's shearwater (Puffinus bulleri) in flight low over the water, off the Three Kings, Far North, New Zealand.

Brent Stephenson / Parkinson's petrel (Procellaria parkinsoni) in flight low over the water, with wingtip dragging in the water, off the Three Kings, Far North, New Zealand.

Brent Stephenson / Salvin's albatross (Thalassarche salvini) in flight low over the sea, partially obscured by a wave off Kaikoura, Canterbury, New Zealand.

Brent Stephenson / Cook's petrel (Pterodroma cookii) in flight against the sea, off the Three Kings, Far North, New Zealand.

Brent Stephenson / New Zealand albatross (Diomedea antipodensis) in flight, with land in the background, off Kaikoura, Canterbury, New Zealand.

Brent Stephenson / Buller's albatross (Thalassarche bulleri) flying in a strong breeze, with wings vertical as it arcs against the wind. Solander Islands, Southland, New Zealand.

Brent Stephenson / Australasian gannet (Morus serrator) in flight, Cape Kidnappers, Hawkes Bay, New Zealand. January.

Brent Stephenson / White-capped albatross (Thalassarche steadi) in flight against the sky, showing underwing. Off the Three Kings, Far North, New Zealand.

Brent Stephenson / Salvin's albatross (Thalassarche salvini) in flight low over the sea, with land in the background, off Kaikoura, Canterbury, New Zealand.

Brent Stephenson / Campbell albatross (Thalassarche impavida) in flight showing underwing and characteristic honey coloured eye of this species. Off Whitianga, Coromandel Peninsula, New Zealand.

Brent Stephenson / Campbell albatross (Thalassarche impavida) in flight showing uppering, off Whitianga, Coromandel Peninsula, New Zealand.

Brent Stephenson / Parkinson's petrel (Procellaria parkinsoni) in flight against a blue sky, off the Three Kings, Far North, New Zealand.

Brent Stephenson / Buller's shearwater (Puffinus bulleri) in flight low over the water, showing upperwing. Off Whitianga, Coromandel Peninsula, New Zealand.

Brent Stephenson / Flying fish (probably Cypselurus lineatus) in flight above the water. Off Whitianga, Coromandel Peninsula, New Zealand.

Brent Stephenson / Salvin's albatross (Thalassarche salvini) in flight low over the sea, off Kaikoura, Canterbury, New Zealand.