Sylvain Cordier / Monarch butterfly (Danaus plexippus) wintering in Oyamel pine forests (Abies religiosa) Monarch Butterfly Biosphere Reserve / Reserva de Biosfera de la Mariposa Monarca UNESCO World Heritage Site, An...
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Lorraine Bennery / Knapweed fritillary butterflies (Melitaea phoebe) on Green winged orchid (Anacamptis morio), Grands Causses Regional Natural Park, France, May.
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Floris van Breugel / Monarch butterflies (Danaus plexippus) over winter on Eucalyptus and Monterey Cypress trees near Pismo Beach, San Luis, California, USA December.. When temperatures warm up enough, they will embark on...
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Alex Hyde / Painted lady butterfly (Vanessa cardui) on flower, Peak District National Park, Derbyshire, UK. September.
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Jussi Murtosaari / Peacock butterfly (Inachis io) newly emerged on asters, Jyvaskyla, Finland, August.
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Jim Brandenburg / Monarch (Danaus plexippus) butterfly group resting on Thickspike Gayfeather (Liatris pycnostachya) flowers, North America
Laurent Geslin / Tortoisehell butterfly (Aglais urticae) with Ponts Couverts in distance, Strasbourg, France. June 2014.
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Nick Turner / Marsh fritillary butterfly (Euphydrayas aurinia) feeding on Wild garlic / Ramsons (Allium ursinum) at Strawberry Banks, Gloucestershire Wildlife Trust (GWT), Nature Reserve, Gloucestershire, UK. May.
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Wim van den Heever / Julia heleconia (Dryas iulia) butterfly on head of Yacare caiman (Caiman yacare). Butterflies often land on caiman's head to drink the salt from its eyes.Pantanal, Brazil.
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Wim van den Heever / Julia heleconia (Dryas iulia) butterfly on head of Yacare caiman (Caiman yacare). Butterflies often land on caiman's head to drink the salt from its eyes. Pantanal, Brazil.
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Matthew Maran / Meadow brown (Maniola jurtina) resting on grass in Cohen's Field, Hampstead Heath, London, England, UK, June.
