Wild Wonders of Europe / Benvie / Male Spanish luna / Isabelline moth (Graellsia isabellina) on twig, Queyras Natural Park, France, May 2009 WWE OUTDOOR EXHIBITION.
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Wild Wonders of Europe / Benvie / Female Spanish luna / Isabelline moth (Graellsia isabellina) on twig, Queyras Natural Park, France, May 2009 WWE BOOK Wild Wonders kids book.
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Wild Wonders of Europe / Benvie / Male Spanish luna / Isabelline moth (Graellsia isabellina) close-up of wings, Queyras Natural Park, France, May 2009
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Wild Wonders of Europe / Benvie / Female Spanish luna / Isabelline moth (Graellsia isabellina) on twig, Queyras Natural Park, France, May 2009
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Wild Wonders of Europe / Benvie / Pair of Spanish luna / Isabelline moths (Graellsia isabellina) on twig, Queyras Natural Park, France, May 2009
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Wild Wonders of Europe / Benvie / Male Spanish luna / Isabelline moth (Graellsia isabellina) on twig, Queyras Natural Park, France, May 2009
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Wild Wonders of Europe / Benvie / Male Spanish luna / Isabelline moth (Graellsia isabellina) close-up of wings, France, Queyras Natural Park, May 2009. WWE OUTDOOR EXHIBITION.
Frederique Olivier / Adelie penguins (Pygoscelis adeliae) crossing a tide crack in the ice, one with an isabellinism genetic pigmentation disorder, Antarctica.
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Frederique Olivier / Group of Adelie penguins (Pygoscelis adeliae) attacking and chasing another penguin with an isabellinism genetic pigmentation disorder, Antarctica.
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Frederique Olivier / Two Adelie penguins (Pygoscelis adeliae) chasing and attacking another penguin with an isabellinism genetic pigmentation disorder, Antarctica.
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Frederique Olivier / Adelie penguins (Pygoscelis adeliae) walking towards the camera, one with an isabellinism genetic pigmentation disorder, Antarctica.
Robin Chittenden / Isabelline shrike (Lanius isabellinus) with bee prey in beak, Norfolk, UK, October
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Brent Stephenson / Three Gentoo penguins (Pygoscelis papua) at waters edge, with one isabelline individual, Neko Harbour, Antarctic Peninsula, Antarctica, December.
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Brent Stephenson / Isabelline Gentoo penguin (Pygoscelis papua) standing on rock, Neko Harbour, Antarctic Peninsula, Antarctica, December.
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Jussi Murtosaari / Isabelline wheatear (Oenanthe isabellina) profile, Laukaa, Keski-Finland, April. / Central Finland, Finland, April.
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Markus Varesvuo / Isabelline Shrike (Lanius isabellinus) male, Sultanate of Oman March
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Markus Varesvuo / Isabelline Shrike (Lanius isabellinus), juvenile perched on a branch. Sultanate of Oman, Arabia. November.
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Markus Varesvuo / Isabelline Wheatear (Oenanthe isabellina), adult standing in sand. Sultanate of Oman, Arabia. November.
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Markus Varesvuo / Isabelline Wheatear (Oenanthe isabellina), adult standing on sandy ground. Sultanate of Oman, Arabia. March.
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Markus Varesvuo / Isabelline Wheatear (Oenanthe isabellina), adult perched on leaves. Sultanate of Oman, Arabia. March.
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Markus Varesvuo / Isabelline Wheatear (Oenanthe isabellina), adult standing on sandy ground. Sultanate of Oman, Arabia. March.
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Markus Varesvuo / Isabelline Wheatear (Oenanthe isabellina), adult standing on sandy ground. Sultanate of Oman, Arabia. March.
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Markus Varesvuo / Isabelline Wheatear (Oenanthe isabellina), adult standing on sandy ground. Sultanate of Oman, Arabia. March.
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Markus Varesvuo / Isabelline Wheatear (Oenanthe isabellina), adult standing on sandy ground. Sultanate of Oman, Arabia. March.
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Markus Varesvuo / Isabelline Shrike (Lanius isabellinus), adult perched on blade of grass. Sultanate of Oman, Arabia. March.
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Markus Varesvuo / Isabelline Wheatear (Oenanthe isabellina), adult standing on grassy ground. Sultanate of Oman, Arabia. March.
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Markus Varesvuo / Isabelline Wheatear (Oenanthe isabellina), adult perched on leaves. Sultanate of Oman, Arabia. March.
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Markus Varesvuo / Isabelline Shrike (Lanius isabellinus), juvenile perched on a branch. Sultanate of Oman, Arabia. November.
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Markus Varesvuo / Isabelline Wheatear (Oenanthe isabellina), adult standing on sandy ground. Sultanate of Oman, Arabia. March.
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Markus Varesvuo / Isabelline Wheatear (Oenanthe isabellina), adult standing on sandy ground. Sultanate of Oman, Arabia. March.
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Markus Varesvuo / Isabelline Wheatear (Oenanthe isabellina), adult standing on sandy ground. Sultanate of Oman, Arabia. March.
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Hanne & Jens Eriksen / Turkestan shrike (Lanius isabellinus phoenicuroides) on grassy hill, Oman, April
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Hanne & Jens Eriksen / Turkestan shrike (Lanius isabellinus phoenicuroides) perched in bush, Oman, September
Avi Meir/ BIA / Isabelline Wheatear (Oenanthe isabellina), Eilat, Israel
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Avi Meir / Isabelline Wheatear (Oenanthe isabellina) landing, Negev, Israel
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Roland Seitre / Australian pratincole (Stiltia isabella) injury-feigning display, defensive behaviour, Bedourie, Queensland, Australia.
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Roland Seitre / Australian pratincole (Stiltia isabella) portrait, Bedourie, Queensland, Australia.
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Roland Seitre / Australian pratincole (Stiltia isabella) resting on ground exhibiting injury-feigning display, defensive behaviour, Bedourie, Queensland, Australia.
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Roland Seitre / Australian pratincole (Stiltia isabella) at nest site, portrait, Bedourie, Queensland, Australia.
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Roland Seitre / Australian pratincole (Stiltia isabella) portrait, Bedourie, Queensland, Australia.
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Joel Sartore / Photo Ark / A Himalayan brown bear (Ursus arctos isabellinus) at Himalayan Nature Park in Kufri.
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Etienne Littlefair / Australian pratincole (Stiltia isabella), about to take dust bath on road, Barkly Tablelands, Northern Territory, Australia, March..
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Guy Edwardes / Isabelline wheatear (Oenanthe isabellina) in flight, Bulgaria.