the world's rarest butterfly

tags: Palos Verdes Blue Butterfly, Glaucopsyche lygdamus palosverdesensis, Joel Sartore, National Geographic, image of the day Palos Verdes Blue Butterfly (Glaucopsyche lygdamus palosverdesensis) 4,300 (Estimated 300 wild and 4,000 captive). Image: Joel Sartore/National Geographic. [larger view]. Wikipedia writes; The Palos Verdes Blue butterfly is a small endangered butterfly native to the Palos Verdes Peninsula in southwest Los Angeles County, California. As its distribution has been proven to be limited to one single site it has one of the best claims to being the world's rarest…