The Fender’s blue butterfly is found only in Oregon’s Willamette Valley – a 150-mile long region in the state that stretches from Portland to Eugene – says the service.

L.A. Times Archives Aug. 8, 2002 12 AM PT From Associated Press RENO — ...

April 5, 2012 / 2:24 PM EDT / CBS Miami VERO BEACH (CBS4) – A rare inch long butterfly found only in South Florida has been added to the U.S. Fish and Wildlife Service's "Endangered Species" list.

Do you love butterflies like Nikhil and Jay? There are many different butterflies that can be spotted in the UK. Can you help Nikhil spot and identify them all?

Head of Science for Butterfly Conservation, Dr Richard Fox, says: "Shockingly, half of Britain's remaining butterfly species are listed as threatened or Near Threatened on the new Red List.