Andy Sands / RF - Clouded yellow butterfly (Colias crocea) on lavender, Hertfordshire, England, UK, September. Focus stacked image. Captive. (This image may be licensed either as rights managed or royalty free.)
Hanne & Jens Eriksen / Clouded yellow butterfly (Colias croceus) May, Oman
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Nick Upton / Clouded yellow butterfly (Colias croceus) nectaring on a Field scabious flower (Knautia arvensis), Picos de Europa mountains, Spain, August.