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Clouded Yellow
Colias croceus
41.6328, -8.34914
Field Notes
Description:
The upperside is golden to orange yellow with a broad black margin on all four wings and a black spot near the centre forewing. The underside lacks the black borders and is lighter, with a more greenish tint, particularly on the forewings. In the forewing underside is the same dark spot as on the upperside, but often with a light centre.
Habitat:
North Africa and southern Europe.
Notes:
Curiosity: A truly migratory European butterfly, this species is famous for occasional mass migrations and subsequent breeding, which are often referred to in the United Kingdom as "clouded yellow years". Notable clouded yellow years include 1877, 1947, 1983, 1992, 1994, 1996 and 2000.
Species ID Suggestions
Spotted for Missions
Photographed
PublishedDecember 22, 2015
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