- A migratory Old World butterfly which has yellowish wings with black margins.
More example sentences
- Genus Colias, family Pieridae: several species, in particular C. croceus
- Here is a photograph of one of the clouded yellows, and here Matt photographing the same butterfly.
- The only previous record for clouded yellows on Bottom Field is two in 2003.
- I counted 4 clouded yellows and 1 red admiral and there were numerous common darters and migrant hawkers.