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Sunset over Tràigh Thorastain, Coll
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165
Coll Northwest
A green flash at sunset over Tràigh Thorastain, Coll. Here, the sun is setting across the Sea of the Hebrides just south of Berneray (Barra Head). A green flash lasts only a couple of seconds just as the sun sets; it is a result of refraction of the sun's rays by the atmosphere. It is an optical phenomenon caused by higher frequency light (green and blue) refracting (curving) more than red light, so remaining visible after the red light from the sun has sunk below the horizon. It is a magnification of the thin green line around the setting sun, which is usually not visible to the naked eye. It is best seen in clear air over the sea with no cloud on the horizon. I have only observed a green flash twice in the 5 years I have been looking - the other occasion being at Barvas, Lewis in July 2010.
24 August 2014
Sunset at Barvas, Lewis
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76
Western Isles - Lewis
Green flash sunset at Barvas, Lewis. The green flash is an optical phenomenon caused by higher frequency light (green and blue) refracting (curving) more than red light, so remaining visible after the red light from the sun has sunk below the horizon.
10 July 2010
Common Green Grasshopper, RSPB Loch Lomond
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215
Loch Lomond - RSPB Loch Lomond
Common Green Grasshopper (Omocestus viridulus), an insect in the family Gomphocerinae, in Compartment 34 at RSPB Loch Lomond, taken by David Palmar
04 July 2023
Common Green Grasshopper, RSPB Loch Lomond
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215
Loch Lomond - RSPB Loch Lomond
Common Green Grasshopper (Omocestus viridulus), an insect in the family Gomphocerinae, in Compartment 34 at RSPB Loch Lomond, taken by David Palmar
04 July 2023
Lapwing, Fidden, Mull
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34
Mull
Lapwing or Green plover, Fidden, Mull, resplendent in full breeding plumage.
13 May 2007
Dark Green Fritillary, Grantown East
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367
Grantown on Spey and Lochindorb
Dark Green Fritillary (Argynnis aglaja) on Devil's Bit Scabious (Succisa pratensis) at Grantown East. The proboscis has been inserted into the flower, demostrating how butterflies feed from the nectar produced by flowers.
24 July 2024
Dark Green Fritillary, Grantown East
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367
Grantown on Spey and Lochindorb
Dark Green Fritillary (Argynnis aglaja) on Devil's Bit Scabious (Succisa pratensis) at Grantown East
24 July 2024
Dark Green Fritillary, Grantown East
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367
Grantown on Spey and Lochindorb
Dark Green Fritillary (Argynnis aglaja) on Devil's Bit Scabious (Succisa pratensis) at Grantown East. The proboscis has been inserted into the flower, demostrating how butterflies feed from the nectar produced by flowers.
24 July 2024
Green Sandpiper, Baron's Haugh RSPB Nature Reserve, Motherwell
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74
North Lanarkshire - Baron's Haugh and Dalzell Woods
Green Sandpiper (Tringa Ochropus), Baron's Haugh RSPB Nature Reserve, Motherwell, North Lanarkshire. The Green Sandpiper lacks the white shoulder stripe of the otherwise similar Common Sandpiper.
17 August 2024
Green-viened White, Broomhill Allotments
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357
Glasgow - Broomhill, Jordanhill Claythorn and Bingham's Pond
Green-veined White (Pieris napi), from the Pieridae family, resting on leaves at the Broomhill Allotments.
