Observations of butterflies on San Bruno Mountain ecological reserve. This area is topped with a four mile long ridge with lots of hiking trails. The mountain is a host for several rare and endangered butterflies. In the 1960s, a nonprofit organization called Save the Bay prevented developers ...more ↓
The Red Admiral (Vanessa atalanta) is a well-known colourful butterfly, found in temperate Europe, Asia and North America. The Red Admiral has a 45–50 mm (1.8–2.0 in) wing span. The species is resident only in warmer areas, but migrates north in spring, and sometimes again in autumn.
The common buckeye or simply, buckeye, (Junonia coenia) is a butterfly in the family Nymphalidae. It is found in southern Manitoba, Ontario, Quebec, and Nova Scotia and all parts of the United States except the northwest, and is especially common in the south, the California coast, and throughout Central America and Colombia. The sub-species Junonia coenia bergi is ...more ↓
Vanessa cardui is a well-known colourful butterfly, known as the Painted Lady, or in North America as the Cosmopolitan. This butterfly has a strange pattern of flying in a sort of screw shape.
The American Painted Lady or American Lady (Vanessa virginiensis) is a butterfly found throughout North America.
The California Tortoiseshell (Nymphalis californica) is a butterfly of the Nymphalidae family.
The West Coast Lady (Vanessa annabella) is one of three North American species of brush-footed butterflies known colloquially as the "painted ladies". V. annabella occurs throughout much of the western US and south western Canada. The other two species are the cosmopolitan Vanessa cardui (Painted Lady) and the eastern Vanessa virginiensis (American ...more ↓
The Variable Checkerspot or Chalcedon Checkerspot (Euphydryas chalcedona) is a butterfly in the family Nymphalidae. It is found in western North America, where its range stretches from Alaska in the north to Baja California in the south and extends east through the Rocky Mountains into Colorado, Montana, New Mexico and Wyoming. The butterfly is usually brown or ...more ↓
Nymphalis antiopa, known as the Mourning Cloak in North America and the Camberwell Beauty in Britain, is a large butterfly native to Eurasia and North America. See also Anglewing butterflies.
The Mylitta Crescent or Mylitta Crescentspot (Phyciodes mylitta) is a butterfly of the Nymphalidae family. It is found in the western North America.
The Bay Checkerspot, Euphydryas editha bayensis, is a butterfly endemic to the San Francisco Bay region of the U.S. state of California. It is a federally threatened species, as a subspecies of Euphydryas editha.
Edith’s Checkerspot, also known as Euphydryas editha, is a species of butterfly in the Nymphalidae family. It’s a resident species of western North America and among the subspecies, entomologists have long been intrigued by their many phenotypic variations in coloration, wing length, and overall body size. Most populations are monophagous and rely on plants including Plantago ...more ↓
The Field Crescent (Phyciodes pulchella) is a butterfly of the Nymphalidae family. It is found in the Nearctic ecozone.