• Results for
    • Nictitating
  • (47)
A Blue shark (Prionace glauca) just below the surface, with nictitating membrane partially shut to protect its eye, Hauraki Gulf, Auckland, New Zealand, June. - Richard Robinson
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Richard Robinson / A Blue shark (Prionace glauca) just below the surface, with nictitating membrane partially shut to protect its eye, Hauraki Gulf, Auckland, New Zealand, June.
Dalmatian pelicans (Pelecanus crispus) underwater view of group feeding, Lake Kirkini, Greece. Highly commended in the GDT competition 2013. Commended in the Wildlife Photographer of the Year Awards c... - Bence  Mate
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Bence Mate / Dalmatian pelicans (Pelecanus crispus) underwater view of group feeding, Lake Kirkini, Greece. Highly commended in the GDT competition 2013. Commended in the Wildlife Photographer of the Year Awards c...
Golden eagle (Aquila chrysaetos) sequence showing protective nictitating membrane over eye. Captive bird, UK. - Alex Hyde
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Alex Hyde / Golden eagle (Aquila chrysaetos) sequence showing protective nictitating membrane over eye. Captive bird, UK.
Ostrich yawning, eye shut, beak open {Struthio camelus}, Masai Mara Game Reserve, Kenya - Anup Shah
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Anup Shah / Ostrich yawning, eye shut, beak open {Struthio camelus}, Masai Mara Game Reserve, Kenya
Nictitating membrane covering eye of Map Treefrog (Hypsiboas geographicus). The membrane affords camouflage and protection from dryness whilst allowing the frog to see. Manu Biosphere Reserve, Amazoni... - Alex  Hyde
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Alex Hyde / Nictitating membrane covering eye of Map Treefrog (Hypsiboas geographicus). The membrane affords camouflage and protection from dryness whilst allowing the frog to see. Manu Biosphere Reserve, Amazoni...
Raven (Corvus corax) with nictitating membrane over eye, in a blizzard on Hurricane Ridge, Olympic National Park, Washington, USA. Sequence 2/2 - Jack Dykinga
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Jack Dykinga / Raven (Corvus corax) with nictitating membrane over eye, in a blizzard on Hurricane Ridge, Olympic National Park, Washington, USA. Sequence 2/2
Raven (Corvus corax) in a blizzard on Hurricane Ridge, Olympic National Park, Washington, USA. Nictitating membrane sequence 1/2 - Jack Dykinga
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Jack Dykinga / Raven (Corvus corax) in a blizzard on Hurricane Ridge, Olympic National Park, Washington, USA. Nictitating membrane sequence 1/2
Eurasian magpie (Pica pica) cleaning its beak on a fencepost. Protecting its eye by lowering the nictitating membrane. Druridge Bay, Northumberland, UK, April. - Roger Powell
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Roger Powell / Eurasian magpie (Pica pica) cleaning its beak on a fencepost. Protecting its eye by lowering the nictitating membrane. Druridge Bay, Northumberland, UK, April.
Whale shark (Rhincodon typus), closing nictitating membrane, South Ari Atoll, Maldives Islands, Indian Ocean. - Jordi Chias
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Jordi Chias / Whale shark (Rhincodon typus), closing nictitating membrane, South Ari Atoll, Maldives Islands, Indian Ocean.
Rook (Corvus frugilegus) calling while perched in a Willow tree and blinking to show its blue nictitating membrane, Gloucestershire, UK, February. - Nick Upton
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Nick Upton / Rook (Corvus frugilegus) calling while perched in a Willow tree and blinking to show its blue nictitating membrane, Gloucestershire, UK, February.
European common frog (Rana temporaria) in a pond, closing its nictating membranes to lubricate its eyes, Carmarthenshire, Wales, UK, February. - Dave Bevan
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Dave Bevan / European common frog (Rana temporaria) in a pond, closing its nictating membranes to lubricate its eyes, Carmarthenshire, Wales, UK, February.
Bateleur eagle (Terathopius ecaudatus) portrait with nictitating membrane closed, Captive, occurs in Africa. - Juan  Carlos Munoz
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Juan Carlos Munoz / Bateleur eagle (Terathopius ecaudatus) portrait with nictitating membrane closed, Captive, occurs in Africa.
Sandhill crane (Grus canadensis) blinking nictitating membrane, British Columbia, Canada. December. - Gerrit  Vyn
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Gerrit Vyn / Sandhill crane (Grus canadensis) blinking nictitating membrane, British Columbia, Canada. December.
Blue shark (Prionace glauca) with nictitating membrane partially shut to protect its eye, Hauraki Gulf, Auckland, New Zealand, June. - Richard Robinson
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Richard Robinson / Blue shark (Prionace glauca) with nictitating membrane partially shut to protect its eye, Hauraki Gulf, Auckland, New Zealand, June.
Blue shark (Prionace glauca) with mouth open and nictitating membrane almost completely shut to protect its eye, Hauraki Gulf, Auckland, New Zealand, June. - Richard Robinson
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Richard Robinson / Blue shark (Prionace glauca) with mouth open and nictitating membrane almost completely shut to protect its eye, Hauraki Gulf, Auckland, New Zealand, June.
A Blue shark (Prionace glauca) just below the surface, with nictitating membrane partially shut to protect its eye, Hauraki Gulf, Auckland, New Zealand, June. - Richard Robinson
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Richard Robinson / A Blue shark (Prionace glauca) just below the surface, with nictitating membrane partially shut to protect its eye, Hauraki Gulf, Auckland, New Zealand, June.
Rook (Corvus frugilegus) calling, Norfolk, February. - David Tipling
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David Tipling / Rook (Corvus frugilegus) calling, Norfolk, February.
Bateleur (Terathopius ecaudatus) showing nictitating membrane. Kgalagadi National Park, South Africa - Dave Watts
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Dave Watts / Bateleur (Terathopius ecaudatus) showing nictitating membrane. Kgalagadi National Park, South Africa
Bateleur (Terathopius ecaudatus) showing nictitating membrane. Kgalagadi National Park, South Africa - Dave Watts
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Dave Watts / Bateleur (Terathopius ecaudatus) showing nictitating membrane. Kgalagadi National Park, South Africa
Asian openbill stork (Anastomus oscitans) fishing and catching food in waterhole, showing nictitating membrane, Yala National Park, Sri Lanka. Sequence 3/3. - Ammonite
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Ammonite / Asian openbill stork (Anastomus oscitans) fishing and catching food in waterhole, showing nictitating membrane, Yala National Park, Sri Lanka. Sequence 3/3.
Jabiru stork (Jabiru mycteria) showing nictitating membrane to protect eyes whilst fishing, Pantanal, Pocone, Brazil - Paul Williams
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Paul Williams / Jabiru stork (Jabiru mycteria) showing nictitating membrane to protect eyes whilst fishing, Pantanal, Pocone, Brazil
Common Blackbird (Turdus merula) female feeding juvenile whilst using the nictitating membrane for protection of the eye. Belgium, June. - Philippe Clement
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Philippe Clement / Common Blackbird (Turdus merula) female feeding juvenile whilst using the nictitating membrane for protection of the eye. Belgium, June.
Eye of Tiger shark (Galeocerdo cuvier), nictitating membrane closing to protect eye, Great Barrier Reef, Australia, Coral Sea. - Jeff Rotman
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Jeff Rotman / Eye of Tiger shark (Galeocerdo cuvier), nictitating membrane closing to protect eye, Great Barrier Reef, Australia, Coral Sea.
Eye of Whitetip Reef Shark (Triaenodon obesus), nictitating membrane closing to protect eye, Cocos Island, Costa Rica, Pacific Ocean. - Jeff Rotman
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Jeff Rotman / Eye of Whitetip Reef Shark (Triaenodon obesus), nictitating membrane closing to protect eye, Cocos Island, Costa Rica, Pacific Ocean.
Southern boobook owl / Morepork / Ruru (Ninox novaeseelandiae) showing nictitating membranes, Kauri Park, North Island, New Zealand, endemic - Mark Carwardine
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Mark Carwardine / Southern boobook owl / Morepork / Ruru (Ninox novaeseelandiae) showing nictitating membranes, Kauri Park, North Island, New Zealand, endemic
Eagle owl (Bubo bubo) portrait with translucent nictitating membrane in mid-blink, captive - Angelo Gandolfi
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Angelo Gandolfi / Eagle owl (Bubo bubo) portrait with translucent nictitating membrane in mid-blink, captive
White tailed sea eagle (Haliaeetus albicilla) portrait, captive bred bird, showing nictitating membrane, UK, September - Graham Eaton
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Graham Eaton / White tailed sea eagle (Haliaeetus albicilla) portrait, captive bred bird, showing nictitating membrane, UK, September
Galapagos shark (Carcharhinus galapagensis) surfacing, with nictitating membrane across it eye.  Oahu, Hawaii. - David Fleetham
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David Fleetham / Galapagos shark (Carcharhinus galapagensis) surfacing, with nictitating membrane across it eye. Oahu, Hawaii.
Dipper (Cinclus cinclus), yawning / gaping with nictitating membrane over eye, Derbyshire, UK - Michael Hutchinson
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Michael Hutchinson / Dipper (Cinclus cinclus), yawning / gaping with nictitating membrane over eye, Derbyshire, UK
Tiger shark (Galeocerdo cuvier) lunging for bait, showing nictitating membrane covering eye to protect it, North Shore, Oahu, Hawaii, USA, Central Pacific Ocean - Doug Perrine
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Doug Perrine / Tiger shark (Galeocerdo cuvier) lunging for bait, showing nictitating membrane covering eye to protect it, North Shore, Oahu, Hawaii, USA, Central Pacific Ocean
Tiger shark (Galeocerdo cuvier) lunging for bait, showing nictitating membrane covering eye to protect it, North Shore, Oahu, Hawaii, USA, Central Pacific Ocean - Doug Perrine
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Doug Perrine / Tiger shark (Galeocerdo cuvier) lunging for bait, showing nictitating membrane covering eye to protect it, North Shore, Oahu, Hawaii, USA, Central Pacific Ocean
Giant eagle owl {Bubo lacteus} showing pink eyelids, Laikipia, Kenya - Tony Heald
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Tony Heald / Giant eagle owl {Bubo lacteus} showing pink eyelids, Laikipia, Kenya
Emu (Dromaius novaehollandiae) showing nictitating membrane response, UK, captive - Jabruson
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Jabruson / Emu (Dromaius novaehollandiae) showing nictitating membrane response, UK, captive
Portrait of Great horned owl {Bubo virginianus} showing one nictitating membrane, UK, captive - Colin Seddon
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Colin Seddon / Portrait of Great horned owl {Bubo virginianus} showing one nictitating membrane, UK, captive
King vulture (Sarcoramphus papa) showing nictitating membrane, captive - Lynn M Stone
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Lynn M Stone / King vulture (Sarcoramphus papa) showing nictitating membrane, captive
Red-eyed Tree Frog (Agalychnis callidryas) eye covered with nictating membrane - Christian Ziegler
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Christian Ziegler / Red-eyed Tree Frog (Agalychnis callidryas) eye covered with nictating membrane
Red-eyed Tree Frog (Agalychnis callidryas), the golden webbed skin is a nictitating membrane, part of the eye lid and enables the frog to see without giving up its camouflage - Christian Ziegler
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Christian Ziegler / Red-eyed Tree Frog (Agalychnis callidryas), the golden webbed skin is a nictitating membrane, part of the eye lid and enables the frog to see without giving up its camouflage
Red-eyed Tree Frog (Agalychnis callidryas) eye with retracting nictitating membrane - Christian Ziegler
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Christian Ziegler / Red-eyed Tree Frog (Agalychnis callidryas) eye with retracting nictitating membrane
Red-eyed Tree Frog (Agalychnis callidryas) eye covered with nictating membrane - Christian Ziegler
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Christian Ziegler / Red-eyed Tree Frog (Agalychnis callidryas) eye covered with nictating membrane
Red-eyed Tree Frog (Agalychnis callidryas) with half closed eyelid, Tortuguero National Park, Costa Rica - Thomas Marent
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Thomas Marent / Red-eyed Tree Frog (Agalychnis callidryas) with half closed eyelid, Tortuguero National Park, Costa Rica
Red-eyed Tree Frog (Agalychnis callidryas) male with nictitating membrane over eyes, clings onto female in amplexus, stimulating her to lay eggs, native to the tropical rainforests of Central America - Heidi & Hans-Juergen Koch
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Heidi & Hans-Juergen Koch / Red-eyed Tree Frog (Agalychnis callidryas) male with nictitating membrane over eyes, clings onto female in amplexus, stimulating her to lay eggs, native to the tropical rainforests of Central America
Red-eyed Tree Frog (Agalychnis callidryas) close-up portrait showing tympanum or eardrum, and nictitating membrane which protects the eyes from danger but does not completely restrict vision, native t... - Heidi & Hans-Juergen Koch
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Heidi & Hans-Juergen Koch / Red-eyed Tree Frog (Agalychnis callidryas) close-up portrait showing tympanum or eardrum, and nictitating membrane which protects the eyes from danger but does not completely restrict vision, native t...
Red-eyed Tree Frog (Agalychnis callidryas) close-up portrait showing nictitating membrane which protects the eyes from danger but does not completely restrict vision, native to tropical rainforests of... - Heidi & Hans-Juergen Koch
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Heidi & Hans-Juergen Koch / Red-eyed Tree Frog (Agalychnis callidryas) close-up portrait showing nictitating membrane which protects the eyes from danger but does not completely restrict vision, native to tropical rainforests of...
Common raven {Corvus corax} soiled from mobbing thrushes. Note nictitating membrane. Not available for ringtone/wallpaper use. - Grant McDowell
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Grant McDowell / Common raven {Corvus corax} soiled from mobbing thrushes. Note nictitating membrane. Not available for ringtone/wallpaper use.
Galapagos shark (Carcharhinus galapagensis) with mouth open at surface, Hawaii. - David Fleetham
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David Fleetham / Galapagos shark (Carcharhinus galapagensis) with mouth open at surface, Hawaii.
Galapagos shark (Carcharhinus galapagensis), with head out of the water biting photographer's camera housing, Hawaii. - David Fleetham
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David Fleetham / Galapagos shark (Carcharhinus galapagensis), with head out of the water biting photographer's camera housing, Hawaii.
Nictitating membrane over eye of oceanic whitetip shark (Carcharhinus longimanus), Hawaii. - David Fleetham
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David Fleetham / Nictitating membrane over eye of oceanic whitetip shark (Carcharhinus longimanus), Hawaii.